diff --git a/scripts/abci-gen.sh b/scripts/abci-gen.sh
index f4666dee9..1e602aaec 100755
--- a/scripts/abci-gen.sh
+++ b/scripts/abci-gen.sh
@@ -12,9 +12,9 @@ cp ./proto/tendermint/types/types.proto.intermediate ./proto/tendermint/types/ty
 
 MODNAME="$(go list -m)"
 find ./proto/tendermint -name '*.proto' -not -path "./proto/tendermint/abci/types.proto" \
-	-exec sh ./scripts/protopackage.sh {} "$MODNAME" ';'
+	-exec ./scripts/protopackage.sh {} "$MODNAME" ';'
 
-sh ./scripts/protopackage.sh ./proto/tendermint/abci/types.proto $MODNAME "abci/types"
+./scripts/protopackage.sh ./proto/tendermint/abci/types.proto $MODNAME "abci/types"
 
 make proto-gen
 
diff --git a/scripts/protopackage.sh b/scripts/protopackage.sh
index 5eace2752..fe3e78c8a 100755
--- a/scripts/protopackage.sh
+++ b/scripts/protopackage.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/sh
+#!/bin/bash
 set -eo pipefail
 
 # This script appends the "option go_package" proto option to the file located at $FNAME.