diff --git a/services/backup/src/Reactors/client/base-reactors/ClientBidiReactorBase.h b/services/backup/src/Reactors/client/base-reactors/ClientBidiReactorBase.h
--- a/services/backup/src/Reactors/client/base-reactors/ClientBidiReactorBase.h
+++ b/services/backup/src/Reactors/client/base-reactors/ClientBidiReactorBase.h
@@ -1,3 +1,5 @@
+#pragma once
+
 #include <grpcpp/grpcpp.h>
 
 namespace comm {
diff --git a/services/backup/src/Reactors/client/base-reactors/ClientReadReactorBase.h b/services/backup/src/Reactors/client/base-reactors/ClientReadReactorBase.h
--- a/services/backup/src/Reactors/client/base-reactors/ClientReadReactorBase.h
+++ b/services/backup/src/Reactors/client/base-reactors/ClientReadReactorBase.h
@@ -1,3 +1,5 @@
+#pragma once
+
 #include <grpcpp/grpcpp.h>
 
 namespace comm {
diff --git a/services/backup/src/Reactors/client/base-reactors/ClientWriteReactorBase.h b/services/backup/src/Reactors/client/base-reactors/ClientWriteReactorBase.h
--- a/services/backup/src/Reactors/client/base-reactors/ClientWriteReactorBase.h
+++ b/services/backup/src/Reactors/client/base-reactors/ClientWriteReactorBase.h
@@ -1,3 +1,5 @@
+#pragma once
+
 #include <grpcpp/grpcpp.h>
 
 namespace comm {