--- SDL2-2.26.2.old/src/video/x11/SDL_x11keyboard.c
+++ SDL2-2.26.2/src/video/x11/SDL_x11keyboard.c
@@ -234,7 +234,8 @@
             }
         }
     }
-    if (best_index >= 0 && best_distance <= 2) {
+
+    if (best_index >= 0 && best_distance <= 4) {
         SDL_Keycode default_keymap[SDL_NUM_SCANCODES];
         int table_size;
         const SDL_Scancode *table = SDL_GetScancodeTable(scancode_set[best_index], &table_size);