diff --git a/include/internal/catch_expression_lhs.hpp b/include/internal/catch_expression_lhs.hpp
index 106a6b0a..7133e09b 100644
--- a/include/internal/catch_expression_lhs.hpp
+++ b/include/internal/catch_expression_lhs.hpp
@@ -81,7 +81,7 @@ public:
     }
 
     virtual void reconstructExpression( std::string& dest ) const CATCH_OVERRIDE {
-        dest = Catch::toString( m_truthy );
+        dest = Catch::toString( m_lhs );
     }
 
 private: