diff --git a/fpdfsdk/src/javascript/JS_Runtime.cpp b/fpdfsdk/src/javascript/JS_Runtime.cpp
index be11b04..d7802b5 100644
--- a/fpdfsdk/src/javascript/JS_Runtime.cpp
+++ b/fpdfsdk/src/javascript/JS_Runtime.cpp
@@ -40,6 +40,7 @@
 		JS_Initial();
                 m_platform = v8::platform::CreateDefaultPlatform();
                 v8::V8::InitializePlatform(m_platform);
+                v8::V8::Initialize();
 		
 		m_bInit = TRUE;
 	}