diff --git a/CorsixTH/Src/th_gfx_sdl.cpp b/CorsixTH/Src/th_gfx_sdl.cpp
index fc534ec..e3fb05e 100644
--- a/CorsixTH/Src/th_gfx_sdl.cpp
+++ b/CorsixTH/Src/th_gfx_sdl.cpp
@@ -601,6 +601,14 @@ void THRenderTarget::_flushZoomBuffer()
     SDL_RenderCopy(m_pRenderer, m_pZoomTexture, nullptr, nullptr);
     SDL_DestroyTexture(m_pZoomTexture);
     m_pZoomTexture = nullptr;
+
+    const char *msg = SDL_GetError();
+    if(msg[0] != '\0')
+    {
+        printf("SDL error: %s\n", msg);
+        SDL_ClearError();
+    }
+
 }
 
 //! Convert legacy 8bpp sprite data to recoloured 32bpp data, using special recolour table 0xFF.