diff --git a/sbin/ddb/ddb.c b/sbin/ddb/ddb.c
index f5c5dd02645..901d494aa28 100644
--- a/sbin/ddb/ddb.c
+++ b/sbin/ddb/ddb.c
@@ -96,6 +96,7 @@ ddb_readfile(char *filename)
 #endif
 		ddb_main(argc, argv);
 	}
+	fclose(f);
 }
 
 void