1 files changed, 2 insertions, 2 deletions
diff --git a/layer.h b/layer.h
index 8d6f761465..31390955c4 100644
--- a/layer.h
+++ b/layer.h
@@ -3,8 +3,8 @@
 
 #include <stdint.h>
 
-uint8_t default_layer;
-uint8_t current_layer;
+extern uint8_t default_layer;
+extern uint8_t current_layer;
 
 /* return keycode for switch */
 uint8_t layer_get_keycode(uint8_t row, uint8_t col);