1 files changed, 4 insertions, 2 deletions
diff --git a/ext/io/console/console.c b/ext/io/console/console.c
index b5aa1a371c..6716d32201 100644
--- a/ext/io/console/console.c
+++ b/ext/io/console/console.c
@@ -521,12 +521,14 @@ console_set_winsize(VALUE io, VALUE size)
     int newrow, newcol;
 #endif
     VALUE row, col, xpixel, ypixel;
+    const VALUE *sz;
     int fd;
 
     GetOpenFile(io, fptr);
     size = rb_Array(size);
-    rb_scan_args((int)RARRAY_LEN(size), RARRAY_PTR(size), "22",
-                &row, &col, &xpixel, &ypixel);
+    rb_check_arity(RARRAY_LENINT(size), 2, 4);
+    sz = RARRAY_CONST_PTR(size);
+    row = sz[0], col = sz[1], xpixel = sz[2], ypixel = sz[3];
     fd = GetWriteFD(fptr);
 #if defined TIOCSWINSZ
     ws.ws_row = ws.ws_col = ws.ws_xpixel = ws.ws_ypixel = 0;