diff --git a/gtsam_unstable/nonlinear/tests/testExpressionFactor.cpp b/gtsam_unstable/nonlinear/tests/testExpressionFactor.cpp
index c063f182f..b0900a43b 100644
--- a/gtsam_unstable/nonlinear/tests/testExpressionFactor.cpp
+++ b/gtsam_unstable/nonlinear/tests/testExpressionFactor.cpp
@@ -208,8 +208,8 @@ TEST(ExpressionFactor, Shallow) {
   EXPECT_LONGS_EQUAL(464, sizeof(Binary::Record));
   LONGS_EQUAL(112+464, expectedTraceSize);
 #else
-  EXPECT_LONGS_EQUAL(496, sizeof(Binary::Record));
-  LONGS_EQUAL(112+496, expectedTraceSize);
+  EXPECT_LONGS_EQUAL(432, sizeof(Binary::Record));
+  LONGS_EQUAL(112+432, expectedTraceSize);
 #endif
   size_t size = expression.traceSize();
   CHECK(size);