diff --git a/src/keyboard.c b/src/keyboard.c
index 5a3511743de..ef3c2160a05 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -4670,7 +4670,7 @@ make_lispy_event (event)
 	    else
 	      XSETINT (posn,
 		       buffer_posn_from_coords (XWINDOW (window),
-						column, row));
+						&column, &row));
 	  }
 
 	{