diff --git a/test/bej_decoder_test.cpp b/test/bej_decoder_test.cpp
index 2aa9f0e..55b4358 100644
--- a/test/bej_decoder_test.cpp
+++ b/test/bej_decoder_test.cpp
@@ -17,6 +17,11 @@
     const BejTestInputFiles inputFiles;
 };
 
+void PrintTo(const BejDecoderTestParams& params, std::ostream* os)
+{
+    *os << params.testName;
+}
+
 using BejDecoderTest = testing::TestWithParam<BejDecoderTestParams>;
 
 const BejTestInputFiles driveOemTestFiles = {