diff --git a/wolfcrypt/benchmark/benchmark.c b/wolfcrypt/benchmark/benchmark.c
index 24bcc8690..055320d9c 100644
--- a/wolfcrypt/benchmark/benchmark.c
+++ b/wolfcrypt/benchmark/benchmark.c
@@ -5526,8 +5526,8 @@ void bench_sm4_gcm(void)
 
 exit:
 
-    WC_FREE_VAR(bench_additional);
-    WC_FREE_VAR(bench_tag);
+    WC_FREE_VAR(bench_additional, HEAP_HINT);
+    WC_FREE_VAR(bench_tag, HEAP_HINT);
 }
 #endif