diff --git a/wolfcrypt/test/test.c b/wolfcrypt/test/test.c
index 17020f224..0f495862e 100644
--- a/wolfcrypt/test/test.c
+++ b/wolfcrypt/test/test.c
@@ -1322,7 +1322,7 @@ static int _SaveDerAndPem(const byte* der, int derSz,
         if (pemSz < 0) {
             return pemSz;
         }
-        pem = XMALLOC(pemSz, HEAP_HINT, DYNAMIC_TYPE_TMP_BUFFER);
+        pem = (byte*)XMALLOC(pemSz, HEAP_HINT, DYNAMIC_TYPE_TMP_BUFFER);
         if (pem == NULL) {
             return MEMORY_E;
         }