diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index dbadb4d85..ce8d47c50 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -33,6 +33,29 @@ jobs:
           name: "${{ github.sha }}-03"
           path: ./pkgs.txt.part.03
 
+  build-linux:
+    name: Build
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        goarch: ["arm", "amd64"]
+    timeout-minutes: 5
+    steps:
+      - uses: actions/setup-go@v2
+        with:
+          go-version: "^1.15.4"
+      - uses: actions/checkout@v2
+      - uses: technote-space/get-diff-action@v4
+        with:
+          PATTERNS: |
+            **/**.go
+            go.mod
+            go.sum
+      - name: install
+        run: GOOS=linux GOARCH=${{ matrix.goarch }} make build
+        if: "env.GIT_DIFF != ''"
+
   tests:
     runs-on: ubuntu-latest
     needs: split-test-files
@@ -43,7 +66,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: '^1.15.4'
+          go-version: "^1.15.4"
       - uses: actions/checkout@v2
       - uses: technote-space/get-diff-action@v4
         with:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 5a2eda03b..0e8788b96 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -52,7 +52,7 @@ jobs:
 
   test_abci_apps:
     runs-on: ubuntu-latest
-    needs: Build
+    needs: build
     timeout-minutes: 5
     steps:
       - uses: actions/setup-go@v2
@@ -84,7 +84,7 @@ jobs:
 
   test_abci_cli:
     runs-on: ubuntu-latest
-    needs: Build
+    needs: build
     timeout-minutes: 5
     steps:
       - uses: actions/setup-go@v2
@@ -115,7 +115,7 @@ jobs:
 
   test_apps:
     runs-on: ubuntu-latest
-    needs: Build
+    needs: build
     timeout-minutes: 5
     steps:
       - uses: actions/setup-go@v2
diff --git a/.goreleaser.yml b/.goreleaser.yml
index 494f7c245..d1c61e4e3 100644
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@@ -8,7 +8,7 @@ builds:
   - id: "Tendermint"
     main: ./cmd/tendermint/main.go
     ldflags:
-     - -s -w -X github.com/tendermint/tendermint/version.TMCoreSemVer={{ .Version }}
+      - -s -w -X github.com/tendermint/tendermint/version.TMCoreSemVer={{ .Version }}
     env:
       - CGO_ENABLED=0
     goos:
@@ -17,6 +17,7 @@ builds:
       - windows
     goarch:
       - amd64
+      - arm
       - arm64
 
 checksum:
diff --git a/libs/math/fraction.go b/libs/math/fraction.go
index e38636485..a8d285592 100644
--- a/libs/math/fraction.go
+++ b/libs/math/fraction.go
@@ -42,7 +42,7 @@ func ParseFraction(f string) (Fraction, error) {
 		return Fraction{}, errors.New("denominator can't be 0")
 	}
 	if numerator > math.MaxInt64 || denominator > math.MaxInt64 {
-		return Fraction{}, fmt.Errorf("value overflow, numerator and denominator must be less than %d", math.MaxInt64)
+		return Fraction{}, fmt.Errorf("value overflow, numerator and denominator must be less than %d", int64(math.MaxInt64))
 	}
 	return Fraction{Numerator: numerator, Denominator: denominator}, nil
 }