diff --git a/app/src/convert.c b/app/src/convert.c
index ec6f1de0f3f42e1065261cf42067ad8cb11ba427..2c17f948b5bd55c3583150e27400d8605e972b7a 100644
--- a/app/src/convert.c
+++ b/app/src/convert.c
@@ -172,7 +172,10 @@ SDL_bool mouse_wheel_from_sdl_to_android(const SDL_MouseWheelEvent *from,
     to->scroll_event.position = position;
 
     int mul = from->direction == SDL_MOUSEWHEEL_NORMAL ? 1 : -1;
-    to->scroll_event.hscroll = mul * from->x;
+    // SDL behavior seems inconsistent between horizontal and vertical scrolling
+    // so reverse the horizontal
+    // <https://wiki.libsdl.org/SDL_MouseWheelEvent#Remarks>
+    to->scroll_event.hscroll = -mul * from->x;
     to->scroll_event.vscroll = mul * from->y;
 
     return SDL_TRUE;