diff --git a/video/out/gl_video.c b/video/out/gl_video.c
index 715e5f8d63..07b3b9ebb6 100644
--- a/video/out/gl_video.c
+++ b/video/out/gl_video.c
@@ -1348,7 +1348,7 @@ static void pass_convert_yuv(struct gl_video *p)
 
         // Pre-colormatrix input gamma correction. Note that this results in
         // linear light
-        GLSL(color.rgb *= vec3(2.6);)
+        GLSL(color.rgb = pow(color.rgb, vec3(2.6));)
     }
 
     // Conversion from Y'CbCr or other linear spaces to RGB