diff --git a/pymbolic/mapper/stringifier.py b/pymbolic/mapper/stringifier.py
index 640b8051aa370613ed26949464f0811448d36e16..677d8b4aab7d53a2ac6199a2186a25f1341b7d5c 100644
--- a/pymbolic/mapper/stringifier.py
+++ b/pymbolic/mapper/stringifier.py
@@ -174,6 +174,9 @@ class StringifyMapper(pymbolic.mapper.RecursiveMapper):
 
     map_max = map_min
 
+    def __call__(self, expr, prec=PREC_NONE):
+        return pymbolic.mapper.RecursiveMapper.__call__(self, expr, prec)
+