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-rw-r--r--platform/x11/win_main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/platform/x11/win_main.c b/platform/x11/win_main.c
index c686c240..0d7e3f66 100644
--- a/platform/x11/win_main.c
+++ b/platform/x11/win_main.c
@@ -1116,7 +1116,7 @@ viewproc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
/* Mouse wheel */
case WM_MOUSEWHEEL:
- if ((signed short)HIWORD(wParam) > 0)
+ if ((signed short)HIWORD(wParam) <= 0)
{
handlemouse(oldx, oldy, 4, 1);
handlemouse(oldx, oldy, 4, -1);