diff --git a/tests/base64_test.cpp b/tests/base64_test.cpp
index 6040c00..058de81 100644
--- a/tests/base64_test.cpp
+++ b/tests/base64_test.cpp
@@ -9,15 +9,15 @@
 	std::array<uint8_t, 1> data = { 'f' };
 	char *encoded = base64_encode(data.data(), data.size(), &encoded_len);
 	EXPECT_EQ(encoded_len, 4);
-	ASSERT_EQ(std::string_view(encoded, encoded_len), "Zg==");
+	ASSERT_TRUE(memcmp(encoded, "Zg==", encoded_len) == 0);
 	free(encoded);
 }
 
 TEST(Base64Decode, Good)
 {
 	int32_t decoded_len = 0;
-	std::string_view data{ "Zg==" };
-	UINT8 *decoded = base64_decode(data.data(), data.size(), &decoded_len);
+	const char *data{ "Zg==" };
+	UINT8 *decoded = base64_decode(data, strlen(data), &decoded_len);
 	EXPECT_EQ(decoded_len, 1);
 	ASSERT_EQ(decoded[0], 'f');
 	free(decoded);