diff --git a/src/osd/modules/input/input_sdl.cpp b/src/osd/modules/input/input_sdl.cpp
index 93e14313de8..bc2f9d705d3 100644
--- a/src/osd/modules/input/input_sdl.cpp
+++ b/src/osd/modules/input/input_sdl.cpp
@@ -250,7 +250,7 @@ public:
 				{
 					machine().ui_input().push_mouse_down_event(window->target(), cx, cy);
 
-					if (click - last_click < double_click_speed
+					if (click < last_click + double_click_speed
 						&& (cx >= last_x - 4 && cx <= last_x + 4)
 						&& (cy >= last_y - 4 && cy <= last_y + 4))
 					{