diff --git a/main_gui.c b/main_gui.c
--- a/main_gui.c
+++ b/main_gui.c
@@ -159,7 +159,7 @@ static void ToolbarPauseClick(Window *w)
 {
 	if (_networking && !_network_server) { return;} // only server can pause the game
 
-	if (DoCommandP(0, _pause?0:1, 0, NULL, CMD_PAUSE))
+	if (DoCommandP(0, _pause ? 0 : 1, 0, NULL, CMD_PAUSE))
 		SndPlayFx(SND_15_BEEP);
 }