diff --git a/module/contrib/local/protocgen-js.sh b/module/contrib/local/protocgen-js.sh
index e7bca504a..e38f8b0d0 100755
--- a/module/contrib/local/protocgen-js.sh
+++ b/module/contrib/local/protocgen-js.sh
@@ -29,10 +29,10 @@ NPM_PATH=$(npm config get prefix)
 
 buf alpha protoc \
     --plugin=$NPM_PATH/bin/protoc-gen-ts_proto \
-    --proto_path="$PROJECTDIR/proto" \
-    --proto_path="$IBC_DIR/proto" \
-    --proto_path="$COSMOS_SDK_DIR/third_party/proto" \
-    --proto_path="$COSMOS_SDK_DIR/proto" \
+    -I="$PROJECTDIR/proto" \
+    -I="$IBC_DIR/proto" \
+    -I="$COSMOS_SDK_DIR/third_party/proto" \
+    -I="$COSMOS_SDK_DIR/proto" \
     --ts_proto_opt=forceLong=string \
     --ts_proto_opt=esModuleInterop=true \
     --ts_proto_opt=outputClientImpl=false \