diff --git a/armsrc/util.h b/armsrc/util.h
index ac141065f..135468aee 100644
--- a/armsrc/util.h
+++ b/armsrc/util.h
@@ -13,8 +13,8 @@
 
 #include <stddef.h>
 #include <stdint.h>
+#include <common.h>
 
-#define RAMFUNC __attribute((long_call, section(".ramfunc")))
 #define BYTEx(x, n) (((x) >> (n * 8)) & 0xff )
 
 #define LED_RED 1
diff --git a/include/common.h b/include/common.h
index 71787b4f4..feed109c2 100644
--- a/include/common.h
+++ b/include/common.h
@@ -25,4 +25,6 @@ typedef unsigned char byte_t;
 # define MAX(a, b) (((a) > (b)) ? (a) : (b))
 #endif
 
+#define RAMFUNC __attribute((long_call, section(".ramfunc")))
+
 #endif