diff --git a/SDL2pp/Font.cc b/SDL2pp/Font.cc
index f761223..5d2a181 100644
--- a/SDL2pp/Font.cc
+++ b/SDL2pp/Font.cc
@@ -118,7 +118,7 @@ int Font::GetLineSkip() const {
 	return TTF_FontLineSkip(font_);
 }
 
-int Font::GetNumFaces() const {
+long Font::GetNumFaces() const {
 	return TTF_FontFaces(font_);
 }
 
diff --git a/SDL2pp/Font.hh b/SDL2pp/Font.hh
index 6ba25ed..ad6f65f 100644
--- a/SDL2pp/Font.hh
+++ b/SDL2pp/Font.hh
@@ -362,7 +362,7 @@ public:
 	/// \see https://www.libsdl.org/projects/SDL_ttf/docs/SDL_ttf.html#SEC33
 	///
 	////////////////////////////////////////////////////////////
-	int GetNumFaces() const;
+	long GetNumFaces() const;
 
 	////////////////////////////////////////////////////////////
 	/// \brief Test if the current font face of the loaded font is a fixed width font