diff --git a/tests/tests-skeletons/check-PER-INTEGER.c b/tests/tests-skeletons/check-PER-INTEGER.c
index 732c284..d2558c9 100644
--- a/tests/tests-skeletons/check-PER-INTEGER.c
+++ b/tests/tests-skeletons/check-PER-INTEGER.c
@@ -112,6 +112,8 @@
 		asn_INTEGER2long(reconstructed_st, &reconstructed_value);
 		assert(reconstructed_value == value);
 	}
+	ASN_STRUCT_RESET(asn_DEF_INTEGER, &st);
+	ASN_STRUCT_FREE(asn_DEF_INTEGER, reconstructed_st);
 }
 
 #define	CHECK(u, v, l, r, b)	\