diff --git a/src/compositor/meta-multi-texture-format.c b/src/compositor/meta-multi-texture-format.c
index 857531f58..a5079b85c 100644
--- a/src/compositor/meta-multi-texture-format.c
+++ b/src/compositor/meta-multi-texture-format.c
@@ -29,9 +29,9 @@ static const char *shader_global_conversions =
   "vec4 yuv_to_rgb(vec4 yuva)                                               \n"
   "{                                                                        \n"
   "  vec4 res;                                                              \n"
-  "  float Y = 1.16438356 * (yuva.x - 0.0625);                              \n"
-  "  float su = yuva.y - 0.5;                                               \n"
-  "  float sv = yuva.z - 0.5;                                               \n"
+  "  float Y = 255.0/219.0 * (yuva.x - 16.0/255.0);                         \n"
+  "  float su = yuva.y - 128.0/255.0;                                       \n"
+  "  float sv = yuva.z - 128.0/255.0;                                       \n"
   "  res.r = Y                   + 1.59602678 * sv;                         \n"
   "  res.g = Y - 0.39176229 * su - 0.81296764 * sv;                         \n"
   "  res.b = Y + 2.01723214 * su;                                           \n"