diff --git a/arm9/source/common/hid.c b/arm9/source/common/hid.c
index 7319ec8..0bee83a 100644
--- a/arm9/source/common/hid.c
+++ b/arm9/source/common/hid.c
@@ -145,7 +145,7 @@ u32 InputWait(u32 timeout_sec) {
     do {
         u32 newpad = HID_ReadState();
 
-        if (!(newpad & BUTTON_ANY)) { // no buttons pressed, check for I/O changes instead
+        if (!(newpad & ~(SHELL_OPEN|SHELL_CLOSED))) { // no buttons pressed, check for I/O changes instead
             u32 state = CART_STATE;
             if (state != oldcart)
                 return state ? CART_INSERT : CART_EJECT;