Fix bit count calculation for iterating layers

diff --git a/tmk_core/common/action_layer.c b/tmk_core/common/action_layer.c
index be28107b63cba0a1c692eac7f3620919c37c27d9..dfcbc110ad1941ef4cea4c9223f0dc2970dbcf75 100644 (file)
--- a/tmk_core/common/action_layer.c
+++ b/tmk_core/common/action_layer.c
@@ -303,7 +303,7 @@ uint8_t layer_switch_get_layer(keypos_t key) {
 
   layer_state_t layers = layer_state | default_layer_state;
   /* check top layer first */
-  for (int8_t i = sizeof(layer_state_t)-1; i >= 0; i--) {
+  for (int8_t i = sizeof(layer_state_t) * 8 - 1; i >= 0; i--) {
     if (layers & (1UL << i)) {
       action = action_for_key(i, key);
       if (action.code != ACTION_TRANSPARENT) {