diff --git a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/MockSystemReader.java b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/MockSystemReader.java
index 306d432e6..b4f0b7e90 100644
--- a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/MockSystemReader.java
+++ b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/MockSystemReader.java
@@ -70,7 +70,13 @@ public MockSystemReader() {
 			@Override
 			public void load() throws IOException, ConfigInvalidException {
 				// Do nothing
-			}};
+			}
+
+			@Override
+			public boolean isOutdated() {
+				return false;
+			}
+		};
 	}
 
 	private void init(final String n) {