diff --git a/src/headless/tests/ForwardingParamStabilityTest.cpp b/src/headless/tests/ForwardingParamStabilityTest.cpp
index 48e28cf0..8272cf3f 100644
--- a/src/headless/tests/ForwardingParamStabilityTest.cpp
+++ b/src/headless/tests/ForwardingParamStabilityTest.cpp
@@ -235,7 +235,10 @@ class ForwardingParamStabilityTest : public UnitTest
                                    fileDir.getChildFile ("test_" + juce::String { i } + ".txt"));
         }();
 
+        juce::Logger::writeToLog ("Loading legacy state from file: " + stateFile.getFullPathName());
+        jassert (stateFile.existsAsFile());
         const auto stateXml = XmlDocument::parse (stateFile);
+        jassert (stateXml != nullptr);
         BYOD plugin;
         juce::MemoryBlock state;
         plugin.copyXmlToBinary (*stateXml, state);