diff --git a/cmdline/cmdline_afp.h b/cmdline/cmdline_afp.h
index ebdf357..9f65e19 100644
--- a/cmdline/cmdline_afp.h
+++ b/cmdline/cmdline_afp.h
@@ -1,7 +1,7 @@
 #ifndef CMDLINE_AFP_H_
 #define CMDLINE_AFP_H_
 
-int full_url;
+extern int full_url;
 
 int com_connect(char * arg);
 int com_dir(char * arg);