diff --git a/task2/task2.c b/task2/task2.c
index a0f908c..ca635db 100644
--- a/task2/task2.c
+++ b/task2/task2.c
@@ -120,6 +120,10 @@ int parse(char *s, STACK* stack) {
 
 int main(int argc, char **argv) {
 	STACK* operands = init_stack(argc);
+	if (operands == NULL) {
+		fprintf(stderr, "Error creating operand stack.\n");
+		return(2);
+	}
 	int error;
 	while(*++argv) {
 		error = parse(*argv, operands);
@@ -131,6 +135,7 @@ int main(int argc, char **argv) {
 	int i;
 	printf("Stack status:\n");
 	for (i = (operands -> cnt); i > 0; i--) printf("%f\n", pop(operands));
+	destroy_stack(operands);
 	return 0;
 }