diff --git a/datapoollocal/LocalPoolDataSetBase.cpp b/datapoollocal/LocalPoolDataSetBase.cpp
index 16c6857d..6aa66f82 100644
--- a/datapoollocal/LocalPoolDataSetBase.cpp
+++ b/datapoollocal/LocalPoolDataSetBase.cpp
@@ -97,7 +97,7 @@ ReturnValue_t LocalPoolDataSetBase::serializeWithValidityBuffer(uint8_t **buffer
     ReturnValue_t result = HasReturnvaluesIF::RETURN_OK;
     const uint8_t validityMaskSize = std::ceil(static_cast<float>(fillCount)/8.0);
     uint8_t* validityPtr = nullptr;
-#ifdef _WIN32
+#ifdef _MSC_VER
     /* Use a std::vector here because MSVC will (rightly) not create a fixed size array
     with a non constant size specifier */
     std::vector<uint8_t> validityMask(validityMaskSize);