diff --git a/build_packages b/build_packages
index 388847b..0bfb6df 100755
--- a/build_packages
+++ b/build_packages
@@ -366,7 +366,7 @@
       for pkg in "${CHROME_PACKAGES[@]}"; do
         grep_cmd+=( -e "${pkg}" )
       done
-      RMOD_PKGS=( $(printf '%s\n' "${RMOD_PKGS[@]}" | "${grep_cmd}" || :) )
+      RMOD_PKGS=( $(printf '%s\n' "${RMOD_PKGS[@]}" | "${grep_cmd[@]}" || :) )
       info "final reverse dependencies that will be rebuilt: ${RMOD_PKGS[*]}"
       FORCE_LOCAL_BUILD_PKGS+=( "${RMOD_PKGS[@]}" )
     fi