diff --git a/src/App/GroupExtension.cpp b/src/App/GroupExtension.cpp
index 924dbf751f..b83dc5aaf5 100644
--- a/src/App/GroupExtension.cpp
+++ b/src/App/GroupExtension.cpp
@@ -24,6 +24,7 @@
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
+# include <boost/bind.hpp>
 #endif
 
 #include "DocumentObjectGroup.h"
diff --git a/src/App/Link.cpp b/src/App/Link.cpp
index 732eb95f71..41f519dab1 100644
--- a/src/App/Link.cpp
+++ b/src/App/Link.cpp
@@ -23,6 +23,7 @@
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
+# include <boost/bind.hpp>
 #endif
 
 #include <boost/algorithm/string/predicate.hpp>