diff --git a/slsDetectorGui/src/qServer.cpp b/slsDetectorGui/src/qServer.cpp
index 55771cd0d..b4d70e5f2 100755
--- a/slsDetectorGui/src/qServer.cpp
+++ b/slsDetectorGui/src/qServer.cpp
@@ -3,6 +3,7 @@
 
 #include "ServerInterface2.h"
 #include "string_utils.h"
+#include "container_utils.h"
 
 #include <iostream>
 #include <string>