diff --git a/src/drawing/engines/opengl/OpenGLDrawingEngine.cpp b/src/drawing/engines/opengl/OpenGLDrawingEngine.cpp
index 10b6e69f34..a20ad0b956 100644
--- a/src/drawing/engines/opengl/OpenGLDrawingEngine.cpp
+++ b/src/drawing/engines/opengl/OpenGLDrawingEngine.cpp
@@ -662,7 +662,7 @@ void OpenGLDrawingContext::DrawSprite(uint32 image, sint32 x, sint32 y, uint32 t
             zoomedDPI.pitch = _dpi->pitch;
             zoomedDPI.zoom_level = _dpi->zoom_level - 1;
             SetDPI(&zoomedDPI);
-            DrawSprite((image << 28) | (g1Id - g1Element->zoomed_offset), x >> 1, y >> 1, tertiaryColour);
+            DrawSprite((image & 0xE0000000) | (g1Id - g1Element->zoomed_offset), x >> 1, y >> 1, tertiaryColour);
             return;
         }
         if (g1Element->flags & (1 << 5))
diff --git a/src/drawing/engines/opengl/TextureCache.cpp b/src/drawing/engines/opengl/TextureCache.cpp
index 3b424fc213..3b37cabe0b 100644
--- a/src/drawing/engines/opengl/TextureCache.cpp
+++ b/src/drawing/engines/opengl/TextureCache.cpp
@@ -70,7 +70,7 @@ CachedTextureInfo TextureCache::GetOrLoadPaletteTexture(uint32 image, uint32 ter
     if ((image & (IMAGE_TYPE_REMAP | IMAGE_TYPE_REMAP_2_PLUS | IMAGE_TYPE_TRANSPARENT)) == 0)
         return CachedTextureInfo{ 0 };
 
-    uint32 uniquePaletteId = 0; 
+    uint32 uniquePaletteId = image & (IMAGE_TYPE_REMAP | IMAGE_TYPE_REMAP_2_PLUS | IMAGE_TYPE_TRANSPARENT); 
     if (!(image & IMAGE_TYPE_REMAP_2_PLUS)) {
         uniquePaletteId = (image >> 19) & 0xFF;
         if (!(image & IMAGE_TYPE_TRANSPARENT)) {