diff --git a/include/SQLiteCpp/Exception.h b/include/SQLiteCpp/Exception.h
index b064ad96..6874f079 100644
--- a/include/SQLiteCpp/Exception.h
+++ b/include/SQLiteCpp/Exception.h
@@ -91,6 +91,9 @@ class Exception : public std::runtime_error
     const char* getErrorStr() const noexcept; // nothrow
 
 private:
+    // due to constant members the auto-assignment operator can not be generated
+    Exception& operator=(const Exception&);
+
     const int mErrcode;         ///< Error code value
     const int mExtendedErrcode; ///< Detailed error code if any
 };