diff --git a/source/blender/python/api2_2x/Metaball.c b/source/blender/python/api2_2x/Metaball.c
index 66a4e4d6acc..9d4ff483e4f 100644
--- a/source/blender/python/api2_2x/Metaball.c
+++ b/source/blender/python/api2_2x/Metaball.c
@@ -31,6 +31,10 @@
 
 #include "Metaball.h"
 
+#ifndef FP_INFINITE
+#define FP_INFINITE 1
+#endif
+
 /*****************************************************************************/
 /* Function:              M_Metaball_New                                     */
 /* Python equivalent:     Blender.Metaball.New                               */
diff --git a/source/blender/python/api2_2x/Metaball.h b/source/blender/python/api2_2x/Metaball.h
index 3fc5ddb6623..c79406862bd 100644
--- a/source/blender/python/api2_2x/Metaball.h
+++ b/source/blender/python/api2_2x/Metaball.h
@@ -32,10 +32,6 @@
 #ifndef EXPP_METABALL_H
 #define EXPP_METABALL_H
 
-#if !defined (FP_INFINITE)
-	#define FP_INFINITE 1
-#endif
-
 #include <Python.h>
 
 #include <BKE_main.h>