diff --git a/lib/importproject.cpp b/lib/importproject.cpp
index 3ffa0054c..1c0e9b5b2 100644
--- a/lib/importproject.cpp
+++ b/lib/importproject.cpp
@@ -927,6 +927,10 @@ static std::string join(const std::list<std::string> &strlist, const char *sep)
     return ret;
 }
 
+#ifdef _MSC_VER
+#define constexpr const  // TODO what handling of constexpr is there is MSC
+#endif
+
 // These constants are copy/pasted from gui/projectfile.cpp
 static constexpr char ProjectElementName[] = "project";
 static constexpr char ProjectVersionAttrib[] = "version";