1 files changed, 13 insertions, 0 deletions
diff --git a/ext/tk/lib/remote-tk.rb b/ext/tk/lib/remote-tk.rb
index 85888b158a..d09b2289e6 100644
--- a/ext/tk/lib/remote-tk.rb
+++ b/ext/tk/lib/remote-tk.rb
@@ -68,6 +68,7 @@ class RemoteTkIp
     end
 
     @interp = MultiTkIp.__getip
+    @interp.allow_ruby_exit = false
     @appname = @interp._invoke('tk', 'appname')
     @remote = remote_ip.dup.freeze
     if displayof.kind_of?(TkWindow)
@@ -249,6 +250,18 @@ class RemoteTkIp
     _appsend(false, false, 'interp issafe')
   end
 
+  def safe_base?
+    false
+  end
+
+  def allow_ruby_exit?
+    false
+  end
+
+  def allow_ruby_exit= (mode)
+    fail RuntimeError, 'cannot change mode of the remote interpreter'
+  end
+
   def delete
     _appsend(false, true, 'exit')
   end