diff --git a/libavutil/intfloat_readwrite.c b/libavutil/intfloat_readwrite.c
index d9b3752bb1..f51d8ddd4f 100644
--- a/libavutil/intfloat_readwrite.c
+++ b/libavutil/intfloat_readwrite.c
@@ -26,7 +26,7 @@
  */
 
 #include <stdint.h>
-#include <math.h>
+#include "mathematics.h"
 #include "intfloat_readwrite.h"
 
 double av_int2dbl(int64_t v){