diff --git a/entrypoint.sh b/entrypoint.sh
index 58d0cc0..694ddc3 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -34,7 +34,7 @@ if [[ "$1" == "cextrun" ]]; then
 
     poetry install
     if [[ "$RUNNING_MODE" == "local" ]] && [[ -f $EXTENSION_DIR/package.json ]]; then
-        test ! -L "node_modules" && ln -s /install_temp/node_modules .
+        test ! -d "node_modules" && test -d /install_temp/node_modules && ln -s /install_temp/node_modules .
         npm run build --if-present
     fi
 
@@ -45,7 +45,7 @@ if [[ "$1" == "extension-test" ]] || [[ "$1" == "extension-devel" ]]; then
     poetry install
 
     if [[ "$RUNNING_MODE" == "local" ]] && [[ -f $EXTENSION_DIR/package.json ]]; then
-        test ! -L "node_modules" && ln -s /install_temp/node_modules .
+        test ! -d "node_modules" && test -d /install_temp/node_modules && ln -s /install_temp/node_modules .
         npm run build --if-present
     fi
 fi
@@ -55,7 +55,7 @@ if [[ "$1" == *bash* ]] && [[ "$#" -eq 1 ]] && [[ -f pyproject.toml ]]; then
     poetry install
 
     if [[ "$RUNNING_MODE" == "local" ]] && [[ -f $EXTENSION_DIR/package.json ]]; then
-        test ! -L "node_modules" && ln -s /install_temp/node_modules .
+        test ! -d "node_modules" && test -d /install_temp/node_modules && ln -s /install_temp/node_modules .
         npm run build --if-present
     fi