diff --git a/src/Backends/Rendering/SDLSurface.cpp b/src/Backends/Rendering/SDLSurface.cpp
index 2f97b55a..41c4c0ef 100644
--- a/src/Backends/Rendering/SDLSurface.cpp
+++ b/src/Backends/Rendering/SDLSurface.cpp
@@ -207,14 +207,13 @@ void RenderBackend_DestroyGlyphAtlas(RenderBackend_GlyphAtlas *atlas)
 	free(atlas);
 }
 
-void RenderBackend_UploadGlyph(RenderBackend_GlyphAtlas *atlas, size_t x, size_t y, const unsigned char *pixels, size_t width, size_t height)
+void RenderBackend_UploadGlyph(RenderBackend_GlyphAtlas *atlas, size_t x, size_t y, const unsigned char *pixels, size_t width, size_t height, size_t pitch)
 {
 	SDL_LockSurface(atlas->sdlsurface);
 
-	const unsigned char *source_pointer = pixels;
-
 	for (size_t iy = 0; iy < height; ++iy)
 	{
+		const unsigned char *source_pointer = &pixels[iy * pitch];
 		unsigned char *destination_pointer = &((unsigned char*)atlas->sdlsurface->pixels)[(y + iy) * atlas->sdlsurface->pitch + x * 4];
 
 		for (size_t ix = 0; ix < width; ++ix)
diff --git a/src/Backends/Rendering/Software.cpp b/src/Backends/Rendering/Software.cpp
index c7c3626f..6eef25a9 100644
--- a/src/Backends/Rendering/Software.cpp
+++ b/src/Backends/Rendering/Software.cpp
@@ -265,10 +265,10 @@ void RenderBackend_DestroyGlyphAtlas(RenderBackend_GlyphAtlas *atlas)
 	free(atlas);
 }
 
-void RenderBackend_UploadGlyph(RenderBackend_GlyphAtlas *atlas, size_t x, size_t y, const unsigned char *pixels, size_t width, size_t height)
+void RenderBackend_UploadGlyph(RenderBackend_GlyphAtlas *atlas, size_t x, size_t y, const unsigned char *pixels, size_t width, size_t height, size_t pitch)
 {
 	for (size_t i = 0; i < height; ++i)
-		memcpy(&atlas->pixels[(y + i) * atlas->width + x], &pixels[i * width], width);
+		memcpy(&atlas->pixels[(y + i) * atlas->width + x], &pixels[i * pitch], width);
 }
 
 void RenderBackend_PrepareToDrawGlyphs(RenderBackend_GlyphAtlas *atlas, RenderBackend_Surface *destination_surface, unsigned char red, unsigned char green, unsigned char blue)
diff --git a/src/Backends/Rendering/WiiU.cpp b/src/Backends/Rendering/WiiU.cpp
index ef77d63e..25f96901 100644
--- a/src/Backends/Rendering/WiiU.cpp
+++ b/src/Backends/Rendering/WiiU.cpp
@@ -754,7 +754,7 @@ void RenderBackend_DestroyGlyphAtlas(RenderBackend_GlyphAtlas *atlas)
 	free(atlas);
 }
 
-void RenderBackend_UploadGlyph(RenderBackend_GlyphAtlas *atlas, size_t x, size_t y, const unsigned char *pixels, size_t width, size_t height)
+void RenderBackend_UploadGlyph(RenderBackend_GlyphAtlas *atlas, size_t x, size_t y, const unsigned char *pixels, size_t width, size_t height, size_t pitch)
 {
 	unsigned char *buffer = (unsigned char*)GX2RLockSurfaceEx(&atlas->texture.surface, 0, (GX2RResourceFlags)0);
 
@@ -765,7 +765,7 @@ void RenderBackend_UploadGlyph(RenderBackend_GlyphAtlas *atlas, size_t x, size_t
 	{
 		memcpy(out_pointer, in_pointer, width);
 
-		in_pointer += width;
+		in_pointer += pitch;
 		out_pointer += atlas->texture.surface.pitch;
 	}