1 files changed, 1 insertions, 1 deletions
diff --git a/x.c b/x.c
index 2ea7589..0a4e7bb 100644
--- a/x.c
+++ b/x.c
@@ -418,7 +418,7 @@ mousereport(XEvent *e)
 
 	if (!IS_SET(MODE_MOUSEX10)) {
 		code += ((state & ShiftMask  ) ?  4 : 0)
-		      + ((state & Mod4Mask   ) ?  8 : 0)
+		      + ((state & Mod1Mask   ) ?  8 : 0) /* meta key: alt */
 		      + ((state & ControlMask) ? 16 : 0);
 	}