1 files changed, 3 insertions, 1 deletions
diff --git a/builtin.c b/builtin.c
index 9cf817ac..9a64dde0 100644
--- a/builtin.c
+++ b/builtin.c
@@ -3,7 +3,7 @@
  */
 
 /*
- * Copyright (C) 1986, 1988, 1989, 1991-2018 the Free Software Foundation, Inc.
+ * Copyright (C) 1986, 1988, 1989, 1991-2019 the Free Software Foundation, Inc.
  *
  * This file is part of GAWK, the GNU implementation of the
  * AWK Programming Language.
@@ -4048,11 +4048,13 @@ do_intdiv(int nargs)
 	lhs = assoc_lookup(result, sub);
 	unref(*lhs);
 	*lhs = make_number((AWKNUM) quotient);
+	unref(sub);
 
 	sub = make_string("remainder", 9);
 	lhs = assoc_lookup(result, sub);
 	unref(*lhs);
 	*lhs = make_number((AWKNUM) remainder);
+	unref(sub);
 
 	DEREF(denominator);
 	DEREF(numerator);