diff --git a/terminatorlib/terminal.py b/terminatorlib/terminal.py
index 9e6dc5b2..f9cdee65 100644
--- a/terminatorlib/terminal.py
+++ b/terminatorlib/terminal.py
@@ -1009,7 +1009,7 @@ def on_buttonpress(self, widget, event):
             middle_click = [self.popup_menu, (widget, event)]
             right_click = [self.paste_clipboard, (not self.config['putty_paste_style_source_clipboard'], True)]
         else:
-            middle_click = [self.paste_clipboard, (True, True)]
+            middle_click = [self.paste_clipboard, (not self.config['putty_paste_style_source_clipboard'], True)]
             right_click = [self.popup_menu, (widget, event)]
 
         # Ctrl-click event here.