diff --git a/src/osgPlugins/pfb/ConvertFromPerformer.h b/src/osgPlugins/pfb/ConvertFromPerformer.h
index 5812b9d3c..ad9a60d74 100644
--- a/src/osgPlugins/pfb/ConvertFromPerformer.h
+++ b/src/osgPlugins/pfb/ConvertFromPerformer.h
@@ -6,6 +6,7 @@
 #include <map>
 #include <vector>
 #include <string>
+#include <iostream>
 
 // Open Scene Graph includes.
 #include <osg/Node>