diff --git a/math/mathcore/inc/Math/TDataPoint.icc b/math/mathcore/inc/Math/TDataPoint.icc
index 128b69b53b18a651f2a933491d90c8c648efa185..924c42f619197cf7b04d8a8fd058fca237a031a2 100644
--- a/math/mathcore/inc/Math/TDataPoint.icc
+++ b/math/mathcore/inc/Math/TDataPoint.icc
@@ -15,6 +15,7 @@
 #define ROOT_TDataPoint_ICC
 
 #include <cassert>
+#include <math.h>
 
 namespace ROOT
 {