diff --git a/hypothesis-python/src/hypothesis/internal/reflection.py b/hypothesis-python/src/hypothesis/internal/reflection.py
index b9db01e5bc..72b46c85a9 100644
--- a/hypothesis-python/src/hypothesis/internal/reflection.py
+++ b/hypothesis-python/src/hypothesis/internal/reflection.py
@@ -381,7 +381,7 @@ def get_pretty_function_description(f):
         # their module as __self__.  This might include c-extensions generally?
         if not (self is None or inspect.isclass(self) or inspect.ismodule(self)):
             return f"{self!r}.{name}"
-    elif getattr(dict, name, object()) is f:
+    elif isinstance(name, str) and getattr(dict, name, object()) is f:
         # special case for keys/values views in from_type() / ghostwriter output
         return f"dict.{name}"
     return name