diff --git a/gi/object.cpp b/gi/object.cpp
index 64a9a867207ec8e96d6cc7cd4314d2ffbf6c3263..a0fc16a97c5244bd98d07d62d75d10332f69fc89 100644
--- a/gi/object.cpp
+++ b/gi/object.cpp
@@ -1668,6 +1668,16 @@ real_connect_func(JSContext *context,
                   priv->info ? g_base_info_get_name( (GIBaseInfo*) priv->info) : g_type_name(priv->gtype));
         return false;
     }
+    if (priv->g_object_finalized) {
+        g_critical("Object %s.%s (%p), has been already deallocated - impossible to connect to signal. "
+                   "This might be caused by the fact that the object has been destroyed from C "
+                   "code using something such as destroy(), dispose(), or remove() vfuncs",
+                   priv->info ? g_base_info_get_namespace( (GIBaseInfo*) priv->info) : "",
+                   priv->info ? g_base_info_get_name( (GIBaseInfo*) priv->info) : g_type_name(priv->gtype),
+                   priv->gobj);
+        gjs_dumpstack();
+        return true;
+    }
 
     if (argc != 2 || !argv[0].isString() || !JS::IsCallable(&argv[1].toObject())) {
         gjs_throw(context, "connect() takes two args, the signal name and the callback");
@@ -1751,6 +1761,17 @@ emit_func(JSContext *context,
         return false;
     }
 
+    if (priv->g_object_finalized) {
+        g_critical("Object %s.%s (%p), has been already deallocated - impossible to emit signal. "
+                   "This might be caused by the fact that the object has been destroyed from C "
+                   "code using something such as destroy(), dispose(), or remove() vfuncs",
+                   priv->info ? g_base_info_get_namespace( (GIBaseInfo*) priv->info) : "",
+                   priv->info ? g_base_info_get_name( (GIBaseInfo*) priv->info) : g_type_name(priv->gtype),
+                   priv->gobj);
+        gjs_dumpstack();
+        return true;
+    }
+
     if (argc < 1 || !argv[0].isString()) {
         gjs_throw(context, "emit() first arg is the signal name");
         return false;
@@ -1841,7 +1862,9 @@ to_string_func(JSContext *context,
         return false;  /* wrong class passed in */
     }
 
-    return _gjs_proxy_to_string_func(context, obj, "object",
+    return _gjs_proxy_to_string_func(context, obj,
+                                     (priv->g_object_finalized) ?
+                                      "object (FINALIZED)" : "object",
                                      (GIBaseInfo*)priv->info, priv->gtype,
                                      priv->gobj, rec.rval());
 }
diff --git a/gi/proxyutils.cpp b/gi/proxyutils.cpp
index 3894ec838bd5943ad2645166cb0c33ed999aed82..d90aa4d01c4dadcf2dfa9212176abbd34b56dc91 100644
--- a/gi/proxyutils.cpp
+++ b/gi/proxyutils.cpp
@@ -63,7 +63,7 @@ _gjs_proxy_to_string_func(JSContext             *context,
     g_string_append_printf(buf, " jsobj@%p", this_obj);
     if (native_address != NULL)
         g_string_append_printf(buf, " native@%p", native_address);
-    
+
     g_string_append_c(buf, ']');
 
     if (!gjs_string_from_utf8(context, buf->str, rval))
diff --git a/installed-tests/js/testGObjectDestructionAccess.js b/installed-tests/js/testGObjectDestructionAccess.js
index 3e30e6e484038d282289de223c5836cfd6bbcce7..e479ff9abe59d22100efd21a2954bc153ba157d6 100644
--- a/installed-tests/js/testGObjectDestructionAccess.js
+++ b/installed-tests/js/testGObjectDestructionAccess.js
@@ -55,4 +55,51 @@ describe('Access to destroyed GObject', () => {
         GLib.test_assert_expected_messages_internal('Gjs', 'testGObjectDestructionAccess.js', 0,
             'testExceptionInDestroyedObjectMethodSet');
     });
+
+    it('Proto function connect', () => {
+        GLib.test_expect_message('Gjs', GLib.LogLevelFlags.LEVEL_CRITICAL,
+            'Object Gtk.Window (0x*');
+
+        destroyedWindow.connect('foo-signal', () => {});
+
+        GLib.test_assert_expected_messages_internal('Gjs', 'testGObjectDestructionAccess.js', 0,
+            'testExceptionInDestroyedObjectConnect');
+    });
+
+    it('Proto function connect_after', () => {
+        GLib.test_expect_message('Gjs', GLib.LogLevelFlags.LEVEL_CRITICAL,
+            'Object Gtk.Window (0x*');
+
+        destroyedWindow.connect_after('foo-signal', () => {});
+
+        GLib.test_assert_expected_messages_internal('Gjs', 'testGObjectDestructionAccess.js', 0,
+            'testExceptionInDestroyedObjectConnectAfter');
+    });
+
+    it('Proto function emit', () => {
+        GLib.test_expect_message('Gjs', GLib.LogLevelFlags.LEVEL_CRITICAL,
+            'Object Gtk.Window (0x*');
+
+        destroyedWindow.emit('foo-signal');
+
+        GLib.test_assert_expected_messages_internal('Gjs', 'testGObjectDestructionAccess.js', 0,
+            'testExceptionInDestroyedObjectEmit');
+    });
+
+    it('Proto function toString', () => {
+        expect(destroyedWindow.toString()).toMatch(
+            /\[object \(FINALIZED\) instance proxy GIName:Gtk.Window jsobj@0x[a-f0-9]+ native@0x[a-f0-9]+\]/);
+    });
+
+    it('Porto function toString before/after', () => {
+        var validWindow = new Gtk.Window({type: Gtk.WindowType.TOPLEVEL});
+
+        expect(validWindow.toString()).toMatch(
+            /\[object instance proxy GIName:Gtk.Window jsobj@0x[a-f0-9]+ native@0x[a-f0-9]+\]/);
+
+        validWindow.destroy();
+
+        expect(validWindow.toString()).toMatch(
+            /\[object \(FINALIZED\) instance proxy GIName:Gtk.Window jsobj@0x[a-f0-9]+ native@0x[a-f0-9]+\]/);
+    });
 });