diff --git a/chaos_micro_unit_toolkit/connection/unit_proxy/UnitProxyHandlerWrapper.cpp b/chaos_micro_unit_toolkit/connection/unit_proxy/UnitProxyHandlerWrapper.cpp
index 3e48eb62e0184731f0551650d9dfac91ea7ae4cc..d0b4fb81bf4c0aac7022faadb40e0847e4725584 100644
--- a/chaos_micro_unit_toolkit/connection/unit_proxy/UnitProxyHandlerWrapper.cpp
+++ b/chaos_micro_unit_toolkit/connection/unit_proxy/UnitProxyHandlerWrapper.cpp
@@ -18,7 +18,7 @@
  * See the Licence for the specific language governing
  * permissions and limitations under the Licence.
  */
-
+#include "raw_driver/ExternalDriverHandlerWrapper.h"
 #include <chaos_micro_unit_toolkit/connection/unit_proxy/UnitProxyHandlerWrapper.h>
 #include <iostream>
 #include <unistd.h>