diff --git a/dll/opengl/opengl32/swimpl.c b/dll/opengl/opengl32/swimpl.c
index 7f2808d1b0..559196e183 100644
--- a/dll/opengl/opengl32/swimpl.c
+++ b/dll/opengl/opengl32/swimpl.c
@@ -1241,10 +1241,10 @@ static void read_color_span_##__bpp(GLcontext* ctx,
     {                                                                           \
         Buffer -= __pixel_size;                                                 \
         UNPACK_COLOR_##__bpp(GET_PIXEL_##__bpp((__type*)Buffer),                \
-                &blue[n], &green[n], &red[n]);                                  \
+                &red[n], &green[n], &blue[n]);                                  \
         alpha[n] = 0;                                                           \
     }                                                                           \
-}
+} CORE-16221 - Fixed by swap at 1244.
 READ_COLOR_SPAN(8, BYTE, 1)
 READ_COLOR_SPAN(16, USHORT, 2)
 READ_COLOR_SPAN(24, ULONG, 3)