diff --git a/notimpl/readonly.cpp b/notimpl/readonly.cpp
index f6ddad3..1ae2b30 100644
--- a/notimpl/readonly.cpp
+++ b/notimpl/readonly.cpp
@@ -14,10 +14,9 @@
  * limitations under the License.
  */
 
-#include <stdexcept>
-
 #include "readonly.hpp"
 
+#include <stdexcept>
 
 void ReadOnly::write(double value)
 {