diff --git a/src/nostalgia/core/gba/core.cpp b/src/nostalgia/core/gba/core.cpp
index bcbb443b..91dacf9a 100644
--- a/src/nostalgia/core/gba/core.cpp
+++ b/src/nostalgia/core/gba/core.cpp
@@ -74,7 +74,7 @@ uint64_t ticksMs(Context*) noexcept {
 }
 
 bool buttonDown(Context*, Key k) noexcept {
-	return !(REG_GAMEPAD & (1 << static_cast<int>(k)));
+	return k <= Key::GamePad_L && !(REG_GAMEPAD & (1 << static_cast<int>(k)));
 }
 
 void shutdown(Context *ctx) noexcept {