diff --git a/LEGO1/tgl/d3drm/impl.h b/LEGO1/tgl/d3drm/impl.h
index a2998c7a..eba702cb 100644
--- a/LEGO1/tgl/d3drm/impl.h
+++ b/LEGO1/tgl/d3drm/impl.h
@@ -411,7 +411,7 @@ public:
 
 	Result CreateBuffer(int width, int height, int depth, void* pBuffer, int useBuffer);
 	void Destroy();
-	void FillRowsOfTexture(int y, int height, char* content);
+	Result FillRowsOfTexture(int y, int height, char* content);
 	Result InitializePalette(int paletteSize, PaletteEntry* pEntries);
 
 	D3DRMIMAGE m_image;
diff --git a/LEGO1/tgl/d3drm/texture.cpp b/LEGO1/tgl/d3drm/texture.cpp
index d02b8840..79452ba6 100644
--- a/LEGO1/tgl/d3drm/texture.cpp
+++ b/LEGO1/tgl/d3drm/texture.cpp
@@ -129,10 +129,11 @@ Result TglD3DRMIMAGE::CreateBuffer(int width, int height, int depth, void* pBuff
 }
 
 // FUNCTION: LEGO1 0x100a1510
-void TglD3DRMIMAGE::FillRowsOfTexture(int y, int height, char* pContent)
+Result TglD3DRMIMAGE::FillRowsOfTexture(int y, int height, char* pContent)
 {
 	// The purpose is clearly this but I can't get the assembly to line up.
 	memcpy((char*) m_image.buffer1 + (y * m_image.bytes_per_line), pContent, height * m_image.bytes_per_line);
+	return Success;
 }
 
 // FUNCTION: LEGO1 0x100a1550