diff --git a/test/perftest/rapidjsontest.cpp b/test/perftest/rapidjsontest.cpp
index ad9bba3..4693755 100644
--- a/test/perftest/rapidjsontest.cpp
+++ b/test/perftest/rapidjsontest.cpp
@@ -24,6 +24,14 @@
 #include "rapidjson/encodedstream.h"
 #include "rapidjson/memorystream.h"
 
+#ifdef RAPIDJSON_SSE2
+#define SIMD_SUFFIX(name) name##_SSE2
+#elif defined(RAPIDJSON_SSE42)
+#define SIMD_SUFFIX(name) name##_SSE42
+#else
+#define SIMD_SUFFIX(name) name
+#endif
+
 using namespace rapidjson;
 
 class RapidJson : public PerfTest {
diff --git a/test/unittest/readertest.cpp b/test/unittest/readertest.cpp
index 6ef1351..c519983 100644
--- a/test/unittest/readertest.cpp
+++ b/test/unittest/readertest.cpp
@@ -417,7 +417,7 @@ TEST(Reader, ParseNumber_NormalPrecisionError) {
         a = h.actual_;
         uint64_t bias1 = e.ToBias();
         uint64_t bias2 = a.ToBias();
-        double ulp = bias1 >= bias2 ? bias1 - bias2 : bias2 - bias1;
+        double ulp = static_cast<double>(bias1 >= bias2 ? bias1 - bias2 : bias2 - bias1);
         ulpMax = std::max(ulpMax, ulp);
         ulpSum += ulp;
     }