diff --git a/include/utils.h b/include/utils.h
index bf67d866..538ec537 100644
--- a/include/utils.h
+++ b/include/utils.h
@@ -8,7 +8,11 @@
 
 namespace utils
 {
-    int32_t change(int32_t x, int32_t in_min, int32_t in_max, int32_t out_min, int32_t out_max);
+    inline int32_t change(int32_t x, int32_t in_min, int32_t in_max, int32_t out_min, int32_t out_max)
+    {
+        return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
+    }
+
     float GetUserThrottleCommand(CanHardware*);
     float ProcessThrottle(int);
     float ProcessUdc(int);
diff --git a/src/utils.cpp b/src/utils.cpp
index 39b58d2a..9338571f 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -20,12 +20,6 @@ int32_t NetWh=0;
 
 bool Timer1Run = false;
 
-
-int32_t change(int32_t x, int32_t in_min, int32_t in_max, int32_t out_min, int32_t out_max)
-{
-    return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
-}
-
 void PostErrorIfRunning(ERROR_MESSAGE_NUM err)
 {
     if (Param::GetInt(Param::opmode) == MOD_RUN)