diff --git a/clip/aw_cliponly2.h b/clip/aw_cliponly2.h
index e1a5ace..c8367db 100644
--- a/clip/aw_cliponly2.h
+++ b/clip/aw_cliponly2.h
@@ -1,4 +1,5 @@
 #pragma once
+#include <cmath>
 #include <cstdlib>
 
 namespace trnr {