diff --git a/scripts/microfactory.bash b/scripts/microfactory.bash
index 65ba55d..4bb6058 100644
--- a/scripts/microfactory.bash
+++ b/scripts/microfactory.bash
@@ -59,7 +59,7 @@
     BUILDDIR=$(getoutdir) \
       SRCDIR=${TOP} \
       BLUEPRINTDIR=${TOP}/build/blueprint \
-      EXTRA_ARGS="-pkg-path android/soong=${TOP}/build/soong" \
+      EXTRA_ARGS="-pkg-path android/soong=${TOP}/build/soong -pkg-path github.com/golang/protobuf=${TOP}/external/golang-protobuf" \
       build_go $@
 }