diff --git a/src/globals.h b/src/globals.h
index a17430d..058341b 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -1333,6 +1333,9 @@
 #if defined(UNIX) || defined(VMS)
 EXTERN int	term_is_xterm INIT(= FALSE);	/* xterm-like 'term' */
 #endif
+#if defined(UNIX)
+EXTERN int	xterm_conflict_mouse INIT(= FALSE);
+#endif
 
 #ifdef BACKSLASH_IN_FILENAME
 EXTERN char	psepc INIT(= '\\');	/* normal path separator character */