diff --git a/cogl/cogl/driver/gl/gl/cogl-driver-gl.c b/cogl/cogl/driver/gl/gl/cogl-driver-gl.c
index c807f03e2..c20bd3671 100644
--- a/cogl/cogl/driver/gl/gl/cogl-driver-gl.c
+++ b/cogl/cogl/driver/gl/gl/cogl-driver-gl.c
@@ -280,10 +280,8 @@ _cogl_driver_pixel_format_to_gl (CoglContext     *context,
       glformat = GL_BGRA;
       gltype = GL_HALF_FLOAT;
       break;
-    case COGL_PIXEL_FORMAT_XRGB_FP_16161616:
     case COGL_PIXEL_FORMAT_ARGB_FP_16161616:
     case COGL_PIXEL_FORMAT_ARGB_FP_16161616_PRE:
-    case COGL_PIXEL_FORMAT_XBGR_FP_16161616:
     case COGL_PIXEL_FORMAT_ABGR_FP_16161616:
     case COGL_PIXEL_FORMAT_ABGR_FP_16161616_PRE:
       required_format =
@@ -294,6 +292,15 @@ _cogl_driver_pixel_format_to_gl (CoglContext     *context,
                                          &glformat,
                                          &gltype);
       break;
+    case COGL_PIXEL_FORMAT_XRGB_FP_16161616:
+    case COGL_PIXEL_FORMAT_XBGR_FP_16161616:
+      required_format =
+        _cogl_driver_pixel_format_to_gl (context,
+                                         COGL_PIXEL_FORMAT_RGBX_FP_16161616,
+                                         &glintformat,
+                                         &glformat,
+                                         &gltype);
+      break;
 
     case COGL_PIXEL_FORMAT_DEPTH_16:
       glintformat = GL_DEPTH_COMPONENT16;