diff --git a/CGAL_ImageIO/src/CGAL_ImageIO/analyze.h b/CGAL_ImageIO/src/CGAL_ImageIO/analyze.h
index a2568bf1df5..7014b92b6de 100644
--- a/CGAL_ImageIO/src/CGAL_ImageIO/analyze.h
+++ b/CGAL_ImageIO/src/CGAL_ImageIO/analyze.h
@@ -68,7 +68,7 @@ int writeAnalyzeHeader( const _image* im ) ;
 int writeAnalyzeData( const _image* im ) ;
 
 #ifdef CGAL_HEADER_ONLY
-#include "analyse_impl.h"
+#include "analyze_impl.h"
 #endif // CGAL_HEADER_ONLY
 
 #endif