diff --git a/code/sdl/sdl_gamma.c b/code/sdl/sdl_gamma.c
index ce8bf28b..a1e0cb5b 100644
--- a/code/sdl/sdl_gamma.c
+++ b/code/sdl/sdl_gamma.c
@@ -90,7 +90,7 @@ void GLimp_SetGamma( unsigned char red[256], unsigned char green[256], unsigned
 
 	if (SDL_SetWindowGammaRamp(SDL_window, table[0], table[1], table[2]) < 0)
 	{
-		ri.Printf( PRINT_DEVELOPER, "SDL_SetWindowGammaRamp() failed.\n" );
+		ri.Printf( PRINT_DEVELOPER, "SDL_SetWindowGammaRamp() failed: %s\n", SDL_GetError() );
 	}
 }