1 files changed, 1 insertions, 1 deletions

diff --git a/tmk_core/common/action_layer.c b/tmk_core/common/action_layer.c
index 81f86f0f3..af2d7d964 100644
--- a/tmk_core/common/action_layer.c
+++ b/tmk_core/common/action_layer.c
@@ -257,7 +257,7 @@ 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) * 8 - 1; i >= 0; i--) {
+    for (int8_t i = MAX_LAYER - 1; i >= 0; i--) {
         if (layers & (1UL << i)) {
             action = action_for_key(i, key);
             if (action.code != ACTION_TRANSPARENT) {