diff --git a/CHANGES b/CHANGES
index 13122ad1c..638a6b422 100644
--- a/CHANGES
+++ b/CHANGES
@@ -13,6 +13,7 @@ Other fixes:
  - Core: Fix crash when exiting game with cheats loaded
  - GBA Cheats: Fix PARv3 Thumb hooks
  - mGUI: Fix crash if last loaded ROM directory disappears (fixes mgba.io/i/1466)
+ - Libretro: Fix crash changing allowing opposing directions (hhromic)
 Misc:
  - Qt: Make mute menu option also toggle fast-forward mute (fixes mgba.io/i/1424)
  - Qt: Show error message if file failed to load
diff --git a/src/platform/libretro/libretro.c b/src/platform/libretro/libretro.c
index b90f79ec4..1bb09cf0e 100644
--- a/src/platform/libretro/libretro.c
+++ b/src/platform/libretro/libretro.c
@@ -297,7 +297,18 @@ void retro_run(void) {
 			.value = 0
 		};
 		if (environCallback(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
-			((struct GBA*) core->board)->allowOpposingDirections = strcmp(var.value, "yes") == 0;
+			struct GBA* gba = core->board;
+			struct GB* gb = core->board;
+			switch (core->platform(core)) {
+			case PLATFORM_GBA:
+				gba->allowOpposingDirections = strcmp(var.value, "yes") == 0;
+				break;
+			case PLATFORM_GB:
+				gb->allowOpposingDirections = strcmp(var.value, "yes") == 0;
+				break;
+			default:
+				break;
+			}
 		}
 
 		var.key = "mgba_frameskip";