diff --git a/nodes/image_nodes.py b/nodes/image_nodes.py
index 047b9a5..ecbb0b3 100644
--- a/nodes/image_nodes.py
+++ b/nodes/image_nodes.py
@@ -177,7 +177,7 @@ class SaveImageWithOutput:
         subfolder = ""
         full_output_folder = os.path.join(output_dir, subfolder)
 
-        if os.path.commonpath((output_dir, os.path.abspath(full_output_folder))) != output_dir:
+        if os.path.commonpath((os.path.abspath(output_dir), os.path.abspath(full_output_folder))) != os.path.abspath(output_dir):
             print("Saving image outside the output folder is not allowed.")
             return {}