diff --git a/kitty/mouse.c b/kitty/mouse.c
index 98bfefa11..60384d21b 100644
--- a/kitty/mouse.c
+++ b/kitty/mouse.c
@@ -569,9 +569,6 @@ scroll_event(double UNUSED xoffset, double yoffset, int flags) {
     }
     if (!w) return;
 
-    int s;
-    bool is_high_resolution = flags & 1;
-    Screen *screen = w->render_data.screen;
     enum MomentumData { NoMomentumData, MomentumPhaseBegan, MomentumPhaseStationary, MomentumPhaseActive, MomentumPhaseEnded, MomentumPhaseCancelled, MomentumPhaseMayBegin };
     enum MomentumData momentum_data = (flags >> 1) & 7;
 
@@ -587,6 +584,11 @@ scroll_event(double UNUSED xoffset, double yoffset, int flags) {
             break;
     }
     if (yoffset == 0.0) return;
+
+    int s;
+    bool is_high_resolution = flags & 1;
+    Screen *screen = w->render_data.screen;
+
     if (is_high_resolution) {
         yoffset *= OPT(touch_scroll_multiplier);
         if (yoffset * global_state.callback_os_window->pending_scroll_pixels < 0) {