diff --git a/include/SFML/Graphics/RenderTexture.h b/include/SFML/Graphics/RenderTexture.h
index ee405f8..6659521 100644
--- a/include/SFML/Graphics/RenderTexture.h
+++ b/include/SFML/Graphics/RenderTexture.h
@@ -302,7 +302,7 @@ CSFML_GRAPHICS_API const sfTexture* sfRenderTexture_getTexture(const sfRenderTex
 /// \return The maximum anti-aliasing level supported by the system
 ///
 ////////////////////////////////////////////////////////////
-unsigned int sfRenderTexture_getMaximumAntialiasingLevel();
+CSFML_GRAPHICS_API unsigned int sfRenderTexture_getMaximumAntialiasingLevel();
 
 ////////////////////////////////////////////////////////////
 /// \brief Enable or disable the smooth filter on a render texture