diff --git a/src/AppendTask.cpp b/src/AppendTask.cpp
index 14698cf97..1522cf276 100644
--- a/src/AppendTask.cpp
+++ b/src/AppendTask.cpp
@@ -1,5 +1,6 @@
 
 #include "AppendTask.h"
+#include "messageFormat.h"
 #include "IOCoordinator.h"
 #include <errno.h>
 
diff --git a/src/WriteTask.cpp b/src/WriteTask.cpp
index 57a9ffdea..5d61dfb15 100644
--- a/src/WriteTask.cpp
+++ b/src/WriteTask.cpp
@@ -1,5 +1,6 @@
 
 #include "WriteTask.h"
+#include "messageFormat.h"
 #include "IOCoordinator.h"
 #include <errno.h>