diff --git a/pkgs/build-support/node/import-npm-lock/hooks/link-node-modules-hook.sh b/pkgs/build-support/node/import-npm-lock/hooks/link-node-modules-hook.sh
index 12f2f8507fa5..f03ec073f2f6 100644
--- a/pkgs/build-support/node/import-npm-lock/hooks/link-node-modules-hook.sh
+++ b/pkgs/build-support/node/import-npm-lock/hooks/link-node-modules-hook.sh
@@ -7,7 +7,7 @@ linkNodeModulesHook() {
     fi
 
     @nodejs@ @script@ @storePrefix@ "${npmDeps}/node_modules"
-    if test -f node_modules/.bin; then
+    if test -d node_modules/.bin; then
         export PATH=$(readlink -f node_modules/.bin):$PATH
     fi