diff --git a/client/src/cmdlfem4x50.h b/client/src/cmdlfem4x50.h
index dab84ba6c..0d5c04bc6 100644
--- a/client/src/cmdlfem4x50.h
+++ b/client/src/cmdlfem4x50.h
@@ -33,5 +33,6 @@ int CmdEM4x50Reader(const char *Cmd);
 int CmdEM4x50ELoad(const char *Cmd);
 int CmdEM4x50ESave(const char *Cmd);
 int CmdEM4x50Chk(const char *Cmd);
+int CmdEM4x50EView(const char *Cmd);
 
 #endif