diff --git a/tests/tests-c-compiler/check-src/check-24.-fwide-types.c b/tests/tests-c-compiler/check-src/check-24.-fwide-types.c
index aad7fb8..a885d6c 100644
--- a/tests/tests-c-compiler/check-src/check-24.-fwide-types.c
+++ b/tests/tests-c-compiler/check-src/check-24.-fwide-types.c
@@ -58,6 +58,8 @@
 		}
 		assert(rval.consumed <= consumed);
 	}
+
+	ASN_STRUCT_RESET(asn_DEF_T, tp);
 }
 
 static void