diff --git a/libr/anal/anal.c b/libr/anal/anal.c
index f7bec93a00..a8848635b9 100644
--- a/libr/anal/anal.c
+++ b/libr/anal/anal.c
@@ -254,7 +254,10 @@ R_API RAnalOp *r_anal_op_hexstr(RAnal *anal, ut64 addr, const char *str) {
 	RAnalOp *op = R_NEW0 (RAnalOp);
 	if (!op) return NULL;
 	buf = malloc (strlen (str)+1);
-	if (!buf) return NULL;
+	if (!buf) {
+		free (op);
+		return NULL;
+	}
 	len = r_hex_str2bin (str, buf);
 	r_anal_op (anal, op, addr, buf, len);
 	return op;