diff --git a/contrib/pg_logicalinspect/pg_logicalinspect.c b/contrib/pg_logicalinspect/pg_logicalinspect.c
index 3b64d8ad880..13f9bda9459 100644
--- a/contrib/pg_logicalinspect/pg_logicalinspect.c
+++ b/contrib/pg_logicalinspect/pg_logicalinspect.c
@@ -85,6 +85,8 @@ parse_snapshot_filename(const char *filename)
 parse_error:
 	ereport(ERROR,
 			errmsg("invalid snapshot file name \"%s\"", filename));
+
+	return 0;					/* keep compiler quiet */
 }
 
 /*