diff --git a/b9/lib/_npm.sh b/b9/lib/_npm.sh
index f4c31182..7cdef76d 100644
--- a/b9/lib/_npm.sh
+++ b/b9/lib/_npm.sh
@@ -18,7 +18,7 @@ _b9_npm() {
             "
     else
         pushd $WORKDIR &> /dev/null
-        npm "$@"
+        $NPM "$@"
         popd &> /dev/null
     fi
 }