diff --git a/include/util/common.hpp b/include/util/common.hpp
index c1a5139a..4bf221fa 100644
--- a/include/util/common.hpp
+++ b/include/util/common.hpp
@@ -4,7 +4,6 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <stdint.h>
-#include <math.h>
 #include <string.h>
 #include <assert.h>
 
diff --git a/include/util/math.hpp b/include/util/math.hpp
index ff0d5805..03b08de6 100644
--- a/include/util/math.hpp
+++ b/include/util/math.hpp
@@ -1,5 +1,9 @@
 #pragma once
 #include "util/common.hpp"
+#ifndef _GLIBCXX_USE_C99_MATH
+	#define _GLIBCXX_USE_C99_MATH
+#endif
+#include <math.h>
 
 
 namespace rack {