diff --git a/MagickCore/enhance.h b/MagickCore/enhance.h
index 1ba93fc..3b04f97 100644
--- a/MagickCore/enhance.h
+++ b/MagickCore/enhance.h
@@ -18,12 +18,12 @@
 #ifndef _MAGICKCORE_ENHANCE_H
 #define _MAGICKCORE_ENHANCE_H
 
+#include "MagickCore/pixel.h"
+
 #if defined(__cplusplus) || defined(c_plusplus)
 extern "C" {
 #endif
 
-#include "MagickCore/pixel.h"
-
 extern MagickExport MagickBooleanType
   AutoGammaImage(Image *,ExceptionInfo *),
   AutoLevelImage(Image *,ExceptionInfo *),