diff --git a/source/Lib/CommonLib/ProfileTierLevel.cpp b/source/Lib/CommonLib/ProfileTierLevel.cpp
index 9b06b774a77db34c73dda827e1902c68188449bd..3d6834bf3d82c3f5096e53c72b687229ec72adae 100644
--- a/source/Lib/CommonLib/ProfileTierLevel.cpp
+++ b/source/Lib/CommonLib/ProfileTierLevel.cpp
@@ -31,6 +31,7 @@
  * THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <cmath>
 #include "ProfileTierLevel.h"
 #include "CommonLib/Slice.h"