diff --git a/tests/tests-c-compiler/check-src/check-35.c b/tests/tests-c-compiler/check-src/check-35.c
index f4e797c..6f1fcc8 100644
--- a/tests/tests-c-compiler/check-src/check-35.c
+++ b/tests/tests-c-compiler/check-src/check-35.c
@@ -304,6 +304,8 @@
 	assert(er.encoded == (ssize_t)xer_off);
 	assert(xer_off == xer_sample_len);
 	assert(memcmp(xer_buf, xer_sample, xer_off) == 0);
+
+	ASN_STRUCT_FREE(asn_DEF_T, tp);
 }