diff --git a/vncviewer/parameters.h b/vncviewer/parameters.h
index 37ca52b..d07d4ea 100644
--- a/vncviewer/parameters.h
+++ b/vncviewer/parameters.h
@@ -21,6 +21,7 @@
 
 #include <rfb/Configuration.h>
 
+extern rfb::IntParameter pointerEventInterval;
 extern rfb::BoolParameter dotWhenNoCursor;
 
 extern rfb::StringParameter passwordFile;