diff --git a/src/GEOMGUI/GEOM_Displayer.cxx b/src/GEOMGUI/GEOM_Displayer.cxx
index db50bc54e..40b20d41f 100644
--- a/src/GEOMGUI/GEOM_Displayer.cxx
+++ b/src/GEOMGUI/GEOM_Displayer.cxx
@@ -83,6 +83,7 @@
 
 // VTK Includes
 #include <vtkActorCollection.h>
+#include <vtkProperty.h>
 
 // STL Includes
 #include <cstring>