diff --git a/src/lib/utility/file/FileManager.cpp b/src/lib/utility/file/FileManager.cpp
index d005de34..d755cf5b 100644
--- a/src/lib/utility/file/FileManager.cpp
+++ b/src/lib/utility/file/FileManager.cpp
@@ -5,6 +5,7 @@
 
 #include "utility/file/FileSystem.h"
 #include "utility/utility.h"
+#include "data/access/StorageAccessProxy.h"
 
 FileManager::FileManager(StorageAccessProxy* storageAccessProxy)
 	: m_storageAccessProxy(storageAccessProxy)
diff --git a/src/lib/utility/file/FileManager.h b/src/lib/utility/file/FileManager.h
index 81bb62f5..420dbd9c 100644
--- a/src/lib/utility/file/FileManager.h
+++ b/src/lib/utility/file/FileManager.h
@@ -5,9 +5,10 @@
 #include <set>
 #include <vector>
 
-#include "data/access/StorageAccessProxy.h"
 #include "utility/file/FileInfo.h"
 
+class StorageAccessProxy;
+
 class FileManager
 {
 public: