diff --git a/ext/cog/gstcogcolorspace.c b/ext/cog/gstcogcolorspace.c
index 4a96e5c1f3..f81df6cc2c 100644
--- a/ext/cog/gstcogcolorspace.c
+++ b/ext/cog/gstcogcolorspace.c
@@ -276,7 +276,7 @@ gst_cogcolorspace_caps_remove_format_info (GstCaps * caps)
     gst_structure_remove_field (structure, "chroma-site");
   }
 
-  gst_caps_do_simplify (caps);
+  caps = gst_caps_do_simplify (caps);
   rgbcaps = gst_caps_copy (caps);
 
   for (i = 0; i < gst_caps_get_size (rgbcaps); i++) {
diff --git a/tests/check/pipelines/colorspace.c b/tests/check/pipelines/colorspace.c
index 56ec9c114e..a29d199bd1 100644
--- a/tests/check/pipelines/colorspace.c
+++ b/tests/check/pipelines/colorspace.c
@@ -172,8 +172,7 @@ colorspace_compare (gint width, gint height, gboolean comp)
   gst_caps_unref (rcaps);
 
   /* normalize to finally have a list of acceptable fixed formats */
-  gst_caps_do_simplify (caps);
-  tcaps = caps;
+  tcaps = gst_caps_do_simplify (caps);
   caps = gst_caps_normalize (tcaps);
   gst_caps_unref (tcaps);