src/backend/nodes/extensible.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backend/nodes/extensible.c b/src/backend/nodes/extensible.c
index e78a12b..6035cf8 100644
--- a/src/backend/nodes/extensible.c
+++ b/src/backend/nodes/extensible.c
@@ -51,7 +51,7 @@ RegisterExtensibleNodeMethods(const ExtensibleNodeMethods *methods)
 											  100, &ctl, HASH_ELEM);
 	}
 
-	Assert(strlen(methods->extnodename) <= EXTNODENAME_MAX_LEN);
+	Assert(strlen(methods->extnodename) < EXTNODENAME_MAX_LEN);
 
 	entry = (ExtensibleNodeEntry *) hash_search(extensible_node_methods,
 												methods->extnodename,