diff --git a/include/SFML/Graphics/Image.h b/include/SFML/Graphics/Image.h
index 5cead5f..08b3e4c 100644
--- a/include/SFML/Graphics/Image.h
+++ b/include/SFML/Graphics/Image.h
@@ -181,7 +181,7 @@ CSFML_GRAPHICS_API sfVector2u sfImage_getSize(const sfImage* image);
 /// \param alpha Alpha value to assign to transparent pixels
 ///
 ////////////////////////////////////////////////////////////
-CSFML_GRAPHICS_API void sfImage_createMaskFromColor(sfColor color, sfUint8 alpha);
+CSFML_GRAPHICS_API void sfImage_createMaskFromColor(sfImage* image, sfColor color, sfUint8 alpha);
 
 ////////////////////////////////////////////////////////////
 /// \brief Copy pixels from an image onto another