diff --git a/hexrdgui/reflections_table.py b/hexrdgui/reflections_table.py
index 2fd5e48b8..ad747ba7a 100644
--- a/hexrdgui/reflections_table.py
+++ b/hexrdgui/reflections_table.py
@@ -109,7 +109,7 @@ def copy_selected_to_clipboard(self):
 
             # Write the headers
             headers = [table.horizontalHeaderItem(j).text()
-                       for j in range(table.columnCount)]
+                       for j in range(table.columnCount())]
             writer.writerow(headers)
 
             # Write the rows