core: Fix variable initialize

diff --git a/tmk_core/common/action_macro.c b/tmk_core/common/action_macro.c
index 34e22e571e1ad1886f88713e3d16b4a805dcdef9..b2891bf4bc9cc34a72dc42f5cf6b2bcd5699e0d4 100644 (file)
--- a/tmk_core/common/action_macro.c
+++ b/tmk_core/common/action_macro.c
@@ -34,7 +34,7 @@ void action_macro_play(const macro_t *macro_p)
     macro_t macro = END;
     uint8_t interval = 0;
 
-    uint8_t mod_storage;
+    uint8_t mod_storage = 0;
 
     if (!macro_p) return;
     while (true) {