diff --git a/appPublic/folderUtils.py b/appPublic/folderUtils.py
index ef4182e..5c8a121 100755
--- a/appPublic/folderUtils.py
+++ b/appPublic/folderUtils.py
@@ -15,7 +15,7 @@ import sys
 
 def temp_file(suffix='.txt'):
 	x = tempfile.mkstemp(suffix=suffix)
-	os.close(x(0))
+	os.close(x[0])
 	return x[1]
 
 def filepoolpath(root):