diff --git a/src/ui/material/draw_helpers.h b/src/ui/material/draw_helpers.h
index 23301bc..fd2d1db 100644
--- a/src/ui/material/draw_helpers.h
+++ b/src/ui/material/draw_helpers.h
@@ -982,7 +982,10 @@ inline bool BeginOverlayDialog(const char* title, bool* p_open, float cardWidth
     cardGlass.borderWidth = 1.0f;
     DrawGlassPanel(dl, cardMin, cardMax, cardGlass);
 
-    if (p_open && ImGui::IsMouseClicked(ImGuiMouseButton_Left) &&
+    // Click outside the card dismisses the dialog — but NOT on the frame it first appears, otherwise
+    // the very click that opened it (a button fired the same frame) is read as an outside-click and
+    // the dialog flashes open then instantly closes.
+    if (p_open && !ImGui::IsWindowAppearing() && ImGui::IsMouseClicked(ImGuiMouseButton_Left) &&
         !ImGui::IsMouseHoveringRect(cardMin, cardMax, false)) {
         *p_open = false;
     }