diff --git a/keyboards/satan/keymaps/admiralStrokers/keymap.c b/keyboards/satan/keymaps/admiralStrokers/keymap.c
index 7a8459eb56f..b5fd2ec6014 100644
--- a/keyboards/satan/keymaps/admiralStrokers/keymap.c
+++ b/keyboards/satan/keymaps/admiralStrokers/keymap.c
@@ -1,5 +1,6 @@
 #include "satan.h"
 static uint16_t key_timer;
+bool checkTime(void);
 
 // general keydefs
 #define norm 0		// Default layer