diff --git a/gtsam/nonlinear/tests/testLabeledSymbol.cpp b/gtsam/nonlinear/tests/testLabeledSymbol.cpp
index edc4b77af..107c4502e 100644
--- a/gtsam/nonlinear/tests/testLabeledSymbol.cpp
+++ b/gtsam/nonlinear/tests/testLabeledSymbol.cpp
@@ -58,7 +58,7 @@ TEST( testLabeledSymbol, KeyLabeledSymbolEncoding ) {
     string str = "xA5";
 
     EXPECT_LONGS_EQUAL(key, (Key)symbol);
-    EXPECT(assert_equal(str, DefaultKeyFormatter(symbol)));
+    EXPECT(assert_equal(str, MultiRobotKeyFormatter(symbol)));
     EXPECT(assert_equal(symbol, LabeledSymbol(key)));
   }
 }