diff --git a/sdl.c b/sdl.c
index c155113..cc7b1bb 100644
--- a/sdl.c
+++ b/sdl.c
@@ -385,6 +385,8 @@ static void sdl_process_key(SDL_KeyboardEvent *ev)
     case 0x9d:                          /* Right CTRL */
     case 0x38:                          /* Left ALT */
     case 0xb8:                         /* Right ALT */
+    case 0xdb:                          /* Left META */
+    case 0xdc:                         /* Right META */
         if (ev->type == SDL_KEYUP)
             modifiers_state[keycode] = 0;
         else