diff --git a/Lib/javascript/v8/javascriptcode.swg b/Lib/javascript/v8/javascriptcode.swg
index edcc1fd90..79bcaa0a6 100644
--- a/Lib/javascript/v8/javascriptcode.swg
+++ b/Lib/javascript/v8/javascriptcode.swg
@@ -445,7 +445,7 @@ fail:
 #if (V8_MAJOR_VERSION-0) < 4 && (SWIG_V8_VERSION < 0x031903)
   $jsparent_obj->Set(SWIGV8_SYMBOL_NEW("$jsname"), $jsmangledname_obj);
 #else
-  $jsparent_obj->Set(SWIGV8_CURRENT_CONTEXT(), SWIGV8_SYMBOL_NEW("$jsname"), $jsmangledname_obj);
+  $jsparent_obj->Set(SWIGV8_CURRENT_CONTEXT(), SWIGV8_SYMBOL_NEW("$jsname"), $jsmangledname_obj).Check();
 #endif
 
 %}
@@ -470,7 +470,7 @@ fail:
 #if (V8_MAJOR_VERSION-0) < 4 && (SWIG_V8_VERSION < 0x031903)
   $jsparent_obj->Set(SWIGV8_SYMBOL_NEW("$jsname"), $jsmangledname_obj);
 #else
-  $jsparent_obj->Set(SWIGV8_CURRENT_CONTEXT(), SWIGV8_SYMBOL_NEW("$jsname"), $jsmangledname_obj);
+  $jsparent_obj->Set(SWIGV8_CURRENT_CONTEXT(), SWIGV8_SYMBOL_NEW("$jsname"), $jsmangledname_obj).Check();
 #endif
 %}
 
diff --git a/Lib/javascript/v8/javascripthelpers.swg b/Lib/javascript/v8/javascripthelpers.swg
index cbb43b56d..37a794f92 100644
--- a/Lib/javascript/v8/javascripthelpers.swg
+++ b/Lib/javascript/v8/javascripthelpers.swg
@@ -67,7 +67,7 @@ SWIGRUNTIME void SWIGV8_AddStaticFunction(SWIGV8_OBJECT obj, const char* symbol,
 #elif (SWIG_V8_VERSION < 0x0706)
   obj->Set(SWIGV8_SYMBOL_NEW(symbol), SWIGV8_FUNCTEMPLATE_NEW(_func)->GetFunction(SWIGV8_CURRENT_CONTEXT()).ToLocalChecked());
 #else
-  obj->Set(SWIGV8_CURRENT_CONTEXT(), SWIGV8_SYMBOL_NEW(symbol), SWIGV8_FUNCTEMPLATE_NEW(_func)->GetFunction(SWIGV8_CURRENT_CONTEXT()).ToLocalChecked());
+  obj->Set(SWIGV8_CURRENT_CONTEXT(), SWIGV8_SYMBOL_NEW(symbol), SWIGV8_FUNCTEMPLATE_NEW(_func)->GetFunction(SWIGV8_CURRENT_CONTEXT()).ToLocalChecked()).Check();
 #endif
 }
 
@@ -79,7 +79,7 @@ SWIGRUNTIME void SWIGV8_AddStaticVariable(SWIGV8_OBJECT obj, const char* symbol,
 #if (V8_MAJOR_VERSION-0) < 5
   obj->SetAccessor(SWIGV8_SYMBOL_NEW(symbol), getter, setter);
 #else
-  obj->SetAccessor(SWIGV8_CURRENT_CONTEXT(), SWIGV8_SYMBOL_NEW(symbol), getter, setter);
+  obj->SetAccessor(SWIGV8_CURRENT_CONTEXT(), SWIGV8_SYMBOL_NEW(symbol), getter, setter).Check();
 #endif
 }
 
diff --git a/Lib/javascript/v8/javascriptrun.swg b/Lib/javascript/v8/javascriptrun.swg
index 8ce8ff567..5c0a2ff78 100644
--- a/Lib/javascript/v8/javascriptrun.swg
+++ b/Lib/javascript/v8/javascriptrun.swg
@@ -699,7 +699,7 @@ SWIGV8_VALUE SWIGV8_AppendOutput(SWIGV8_VALUE result, SWIGV8_VALUE obj) {
 #if (V8_MAJOR_VERSION-0) < 4 && (SWIG_V8_VERSION < 0x031903) || (SWIG_V8_VERSION < 0x0706)
   arr->Set(arr->Length(), obj);
 #else
-  arr->Set(SWIGV8_CURRENT_CONTEXT(), arr->Length(), obj);
+  arr->Set(SWIGV8_CURRENT_CONTEXT(), arr->Length(), obj).Check();
 #endif
 
   SWIGV8_ESCAPE(arr);