diff --git a/test/TestCaseReader.cpp b/test/TestCaseReader.cpp
index 2b1ba3606..f3c1d496a 100644
--- a/test/TestCaseReader.cpp
+++ b/test/TestCaseReader.cpp
@@ -27,6 +27,10 @@
 using namespace std;
 using namespace solidity::frontend::test;
 
+#ifdef _WIN32
+#error "ERROR: This is a big fat error!!!11"
+#endif
+
 TestCaseReader::TestCaseReader(string const& _filename):
 	m_file(_filename)
 {