diff --git a/app/sanity.c b/app/sanity.c
index e923a257ef..6044dab978 100644
--- a/app/sanity.c
+++ b/app/sanity.c
@@ -476,6 +476,7 @@ sanity_check_gegl_ops (void)
     "gegl:buffer-sink",
     "gegl:buffer-source",
     "gegl:c2g",
+    "gegl:cache",
     "gegl:cartoon",
     "gegl:cell-noise",
     "gegl:checkerboard",