diff --git a/avr/modules/clock/main.asm b/avr/modules/clock/main.asm
index 03d5b8d..cf9ce3f 100644
--- a/avr/modules/clock/main.asm
+++ b/avr/modules/clock/main.asm
@@ -57,7 +57,7 @@ Clock_Init:
   ldi xl, LOW(clockModuleData)
   clr r16
   ldi r17, (clockModuleData_end-clockModuleData)
-  rcall Utils_FillSram                ; (R17, X)
+  bigcall Utils_FillSram                ; (R17, X)
   sec
   ret
 ; @end