diff --git a/rpc/client/httpclient.go b/rpc/client/httpclient.go
index e21c2b0fd..b4faafdcb 100644
--- a/rpc/client/httpclient.go
+++ b/rpc/client/httpclient.go
@@ -70,13 +70,13 @@ func (c *HTTP) ABCIInfo() (*ctypes.ResultABCIInfo, error) {
 }
 
 func (c *HTTP) ABCIQuery(path string, data data.Bytes) (*ctypes.ResultABCIQuery, error) {
-	return c.ABCIQueryWithOptions(path, data, DefaultABCIQueryOptions())
+	return c.ABCIQueryWithOptions(path, data, DefaultABCIQueryOptions)
 }
 
 func (c *HTTP) ABCIQueryWithOptions(path string, data data.Bytes, opts ABCIQueryOptions) (*ctypes.ResultABCIQuery, error) {
 	result := new(ctypes.ResultABCIQuery)
 	_, err := c.rpc.Call("abci_query",
-		map[string]interface{}{"path": path, "data": data, "height": opts.Height, "prove": opts.Prove},
+		map[string]interface{}{"path": path, "data": data, "height": opts.Height, "trusted": opts.Trusted},
 		result)
 	if err != nil {
 		return nil, errors.Wrap(err, "ABCIQuery")
diff --git a/rpc/client/localclient.go b/rpc/client/localclient.go
index 581ae7d16..9a14c8684 100644
--- a/rpc/client/localclient.go
+++ b/rpc/client/localclient.go
@@ -58,11 +58,11 @@ func (c Local) ABCIInfo() (*ctypes.ResultABCIInfo, error) {
 }
 
 func (c Local) ABCIQuery(path string, data data.Bytes) (*ctypes.ResultABCIQuery, error) {
-	return c.ABCIQueryWithOptions(path, data, DefaultABCIQueryOptions())
+	return c.ABCIQueryWithOptions(path, data, DefaultABCIQueryOptions)
 }
 
 func (c Local) ABCIQueryWithOptions(path string, data data.Bytes, opts ABCIQueryOptions) (*ctypes.ResultABCIQuery, error) {
-	return core.ABCIQuery(path, data, opts.Height, opts.Prove)
+	return core.ABCIQuery(path, data, opts.Height, opts.Trusted)
 }
 
 func (c Local) BroadcastTxCommit(tx types.Tx) (*ctypes.ResultBroadcastTxCommit, error) {
diff --git a/rpc/client/mock/abci.go b/rpc/client/mock/abci.go
index e08490418..a05ce0b8d 100644
--- a/rpc/client/mock/abci.go
+++ b/rpc/client/mock/abci.go
@@ -25,11 +25,11 @@ func (a ABCIApp) ABCIInfo() (*ctypes.ResultABCIInfo, error) {
 }
 
 func (a ABCIApp) ABCIQuery(path string, data data.Bytes) (*ctypes.ResultABCIQuery, error) {
-	return a.ABCIQueryWithOptions(path, data, client.DefaultABCIQueryOptions())
+	return a.ABCIQueryWithOptions(path, data, client.DefaultABCIQueryOptions)
 }
 
 func (a ABCIApp) ABCIQueryWithOptions(path string, data data.Bytes, opts client.ABCIQueryOptions) (*ctypes.ResultABCIQuery, error) {
-	q := a.App.Query(abci.RequestQuery{data, path, opts.Height, opts.Prove})
+	q := a.App.Query(abci.RequestQuery{data, path, opts.Height, opts.Trusted})
 	return &ctypes.ResultABCIQuery{q.Result()}, nil
 }
 
@@ -84,11 +84,11 @@ func (m ABCIMock) ABCIInfo() (*ctypes.ResultABCIInfo, error) {
 }
 
 func (m ABCIMock) ABCIQuery(path string, data data.Bytes) (*ctypes.ResultABCIQuery, error) {
-	return m.ABCIQueryWithOptions(path, data, client.DefaultABCIQueryOptions())
+	return m.ABCIQueryWithOptions(path, data, client.DefaultABCIQueryOptions)
 }
 
 func (m ABCIMock) ABCIQueryWithOptions(path string, data data.Bytes, opts client.ABCIQueryOptions) (*ctypes.ResultABCIQuery, error) {
-	res, err := m.Query.GetResponse(QueryArgs{path, data, opts.Height, opts.Prove})
+	res, err := m.Query.GetResponse(QueryArgs{path, data, opts.Height, opts.Trusted})
 	if err != nil {
 		return nil, err
 	}
@@ -139,10 +139,10 @@ func (r *ABCIRecorder) _assertABCIClient() client.ABCIClient {
 }
 
 type QueryArgs struct {
-	Path   string
-	Data   data.Bytes
-	Height uint64
-	Prove  bool
+	Path    string
+	Data    data.Bytes
+	Height  uint64
+	Trusted bool
 }
 
 func (r *ABCIRecorder) addCall(call Call) {
@@ -160,14 +160,14 @@ func (r *ABCIRecorder) ABCIInfo() (*ctypes.ResultABCIInfo, error) {
 }
 
 func (r *ABCIRecorder) ABCIQuery(path string, data data.Bytes) (*ctypes.ResultABCIQuery, error) {
-	return r.ABCIQueryWithOptions(path, data, client.DefaultABCIQueryOptions())
+	return r.ABCIQueryWithOptions(path, data, client.DefaultABCIQueryOptions)
 }
 
 func (r *ABCIRecorder) ABCIQueryWithOptions(path string, data data.Bytes, opts client.ABCIQueryOptions) (*ctypes.ResultABCIQuery, error) {
 	res, err := r.Client.ABCIQueryWithOptions(path, data, opts)
 	r.addCall(Call{
 		Name:     "abci_query",
-		Args:     QueryArgs{path, data, opts.Height, opts.Prove},
+		Args:     QueryArgs{path, data, opts.Height, opts.Trusted},
 		Response: res,
 		Error:    err,
 	})
diff --git a/rpc/client/mock/abci_test.go b/rpc/client/mock/abci_test.go
index 6fe94c408..a7afa0894 100644
--- a/rpc/client/mock/abci_test.go
+++ b/rpc/client/mock/abci_test.go
@@ -51,7 +51,7 @@ func TestABCIMock(t *testing.T) {
 	assert.Equal("foobar", err.Error())
 
 	// query always returns the response
-	query, err := m.ABCIQueryWithOptions("/", nil, client.ABCIQueryOptions{Prove: false})
+	query, err := m.ABCIQueryWithOptions("/", nil, client.ABCIQueryOptions{Trusted: true})
 	require.Nil(err)
 	require.NotNil(query)
 	assert.EqualValues(key, query.Key)
@@ -93,7 +93,7 @@ func TestABCIRecorder(t *testing.T) {
 	require.Equal(0, len(r.Calls))
 
 	r.ABCIInfo()
-	r.ABCIQueryWithOptions("path", data.Bytes("data"), client.ABCIQueryOptions{Prove: true})
+	r.ABCIQueryWithOptions("path", data.Bytes("data"), client.ABCIQueryOptions{Trusted: false})
 	require.Equal(2, len(r.Calls))
 
 	info := r.Calls[0]
@@ -116,7 +116,7 @@ func TestABCIRecorder(t *testing.T) {
 	require.True(ok)
 	assert.Equal("path", qa.Path)
 	assert.EqualValues("data", qa.Data)
-	assert.True(qa.Prove)
+	assert.False(qa.Trusted)
 
 	// now add some broadcasts
 	txs := []types.Tx{{1}, {2}, {3}}
@@ -165,7 +165,7 @@ func TestABCIApp(t *testing.T) {
 	assert.True(res.DeliverTx.Code.IsOK())
 
 	// check the key
-	qres, err := m.ABCIQueryWithOptions("/key", data.Bytes(key), client.ABCIQueryOptions{Prove: false})
+	qres, err := m.ABCIQueryWithOptions("/key", data.Bytes(key), client.ABCIQueryOptions{Trusted: true})
 	require.Nil(err)
 	assert.EqualValues(value, qres.Value)
 }
diff --git a/rpc/client/mock/client.go b/rpc/client/mock/client.go
index 2cd16a7a5..08d19cea5 100644
--- a/rpc/client/mock/client.go
+++ b/rpc/client/mock/client.go
@@ -85,11 +85,11 @@ func (c Client) ABCIInfo() (*ctypes.ResultABCIInfo, error) {
 }
 
 func (c Client) ABCIQuery(path string, data data.Bytes) (*ctypes.ResultABCIQuery, error) {
-	return c.ABCIQueryWithOptions(path, data, client.DefaultABCIQueryOptions())
+	return c.ABCIQueryWithOptions(path, data, client.DefaultABCIQueryOptions)
 }
 
 func (c Client) ABCIQueryWithOptions(path string, data data.Bytes, opts client.ABCIQueryOptions) (*ctypes.ResultABCIQuery, error) {
-	return core.ABCIQuery(path, data, opts.Height, opts.Prove)
+	return core.ABCIQuery(path, data, opts.Height, opts.Trusted)
 }
 
 func (c Client) BroadcastTxCommit(tx types.Tx) (*ctypes.ResultBroadcastTxCommit, error) {
diff --git a/rpc/client/rpc_test.go b/rpc/client/rpc_test.go
index 74a6336ee..792f0f271 100644
--- a/rpc/client/rpc_test.go
+++ b/rpc/client/rpc_test.go
@@ -141,7 +141,7 @@ func TestAppCalls(t *testing.T) {
 
 		// wait before querying
 		client.WaitForHeight(c, apph, nil)
-		qres, err := c.ABCIQueryWithOptions("/key", k, client.ABCIQueryOptions{Prove: false})
+		qres, err := c.ABCIQueryWithOptions("/key", k, client.ABCIQueryOptions{Trusted: true})
 		if assert.Nil(err) && assert.True(qres.Code.IsOK()) {
 			// assert.Equal(k, data.GetKey())  // only returned for proofs
 			assert.EqualValues(v, qres.Value)
@@ -189,7 +189,7 @@ func TestAppCalls(t *testing.T) {
 		assert.Equal(block.Block.LastCommit, commit2.Commit)
 
 		// and we got a proof that works!
-		pres, err := c.ABCIQueryWithOptions("/key", k, client.ABCIQueryOptions{Prove: true})
+		pres, err := c.ABCIQueryWithOptions("/key", k, client.ABCIQueryOptions{Trusted: false})
 		if assert.Nil(err) && assert.True(pres.Code.IsOK()) {
 			proof, err := iavl.ReadProof(pres.Proof)
 			if assert.Nil(err) {
diff --git a/rpc/client/types.go b/rpc/client/types.go
index 1e6431c5d..134022612 100644
--- a/rpc/client/types.go
+++ b/rpc/client/types.go
@@ -3,11 +3,9 @@ package client
 // ABCIQueryOptions can be used to provide options for ABCIQuery call other
 // than the DefaultABCIQueryOptions.
 type ABCIQueryOptions struct {
-	Height uint64
-	Prove  bool
+	Height  uint64
+	Trusted bool
 }
 
 // DefaultABCIQueryOptions are latest height (0) and prove equal to true.
-func DefaultABCIQueryOptions() ABCIQueryOptions {
-	return ABCIQueryOptions{Height: 0, Prove: true}
-}
+var DefaultABCIQueryOptions = ABCIQueryOptions{Height: 0, Trusted: false}
diff --git a/rpc/core/abci.go b/rpc/core/abci.go
index d65a3efe6..564c0bc63 100644
--- a/rpc/core/abci.go
+++ b/rpc/core/abci.go
@@ -41,18 +41,18 @@ import (
 //
 // ### Query Parameters
 //
-// | Parameter | Type   | Default | Required | Description                           |
-// |-----------+--------+---------+----------+---------------------------------------|
-// | path      | string | false   | false    | Path to the data ("/a/b/c")           |
-// | data      | []byte | false   | true     | Data                                  |
-// | height    | uint64 | 0       | false    | Height (0 means latest)               |
-// | prove     | bool   | false   | false    | Include a proof of the data inclusion |
-func ABCIQuery(path string, data data.Bytes, height uint64, prove bool) (*ctypes.ResultABCIQuery, error) {
+// | Parameter | Type   | Default | Required | Description                                    |
+// |-----------+--------+---------+----------+------------------------------------------------|
+// | path      | string | false   | false    | Path to the data ("/a/b/c")                    |
+// | data      | []byte | false   | true     | Data                                           |
+// | height    | uint64 | 0       | false    | Height (0 means latest)                        |
+// | trusted   | bool   | false   | false    | Does not include a proof of the data inclusion |
+func ABCIQuery(path string, data data.Bytes, height uint64, trusted bool) (*ctypes.ResultABCIQuery, error) {
 	resQuery, err := proxyAppQuery.QuerySync(abci.RequestQuery{
 		Path:   path,
 		Data:   data,
 		Height: height,
-		Prove:  prove,
+		Prove:  !trusted,
 	})
 	if err != nil {
 		return nil, err