diff --git a/engine/gl/gl_draw.c b/engine/gl/gl_draw.c
index c7c4ba2b1..09b452f95 100644
--- a/engine/gl/gl_draw.c
+++ b/engine/gl/gl_draw.c
@@ -287,8 +287,8 @@ void GL_SetupFormats(void)
 			glfmtc(PTI_L8A8,	GL_LUMINANCE8_ALPHA8,GL_LUMINANCE_ALPHA,	GL_LUMINANCE_ALPHA,		GL_UNSIGNED_BYTE,	0);
 			if (ver >= 2.1)
 			{
-				glfmtc(PTI_L8,	GL_SLUMINANCE8_EXT,		GL_SLUMINANCE_EXT,			GL_LUMINANCE,			GL_UNSIGNED_BYTE,	0);
-				glfmtc(PTI_L8A8,GL_SLUMINANCE8_ALPHA8_EXT,GL_SLUMINANCE_ALPHA_EXT,	GL_LUMINANCE_ALPHA,		GL_UNSIGNED_BYTE,	0);
+				glfmtc(PTI_L8_SRGB,	GL_SLUMINANCE8_EXT,		GL_SLUMINANCE_EXT,			GL_LUMINANCE,			GL_UNSIGNED_BYTE,	0);
+				glfmtc(PTI_L8A8_SRGB,GL_SLUMINANCE8_ALPHA8_EXT,GL_SLUMINANCE_ALPHA_EXT,	GL_LUMINANCE_ALPHA,		GL_UNSIGNED_BYTE,	0);
 			}
 		}
 		else if (ver >= 3.3)