diff --git a/vnext/Desktop.DLL/react-native-win32.x86sdx.def b/vnext/Desktop.DLL/react-native-win32.x86sdx.def
index 00d7560f905..c416561d417 100644
--- a/vnext/Desktop.DLL/react-native-win32.x86sdx.def
+++ b/vnext/Desktop.DLL/react-native-win32.x86sdx.def
@@ -28,8 +28,8 @@ EXPORTS
 ?typeName@dynamic@folly@@QBEPBDXZ
 ?updateProperties@ShadowNode@react@facebook@@UAEX$$QBUdynamic@folly@@@Z
 
-?utf16ToUtf8@unicode@react@facebook@@YG?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@ABV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@5@@Z
-?utf8ToUtf16@unicode@react@facebook@@YG?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@5@@Z
+?utf16ToUtf8@unicode@react@facebook@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@ABV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@5@@Z
+?utf8ToUtf16@unicode@react@facebook@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@5@@Z
 ?Make@IHttpResource@react@facebook@@SA?AV?$unique_ptr@UIHttpResource@react@facebook@@U?$default_delete@UIHttpResource@react@facebook@@@std@@@std@@XZ
 ?Make@IWebSocket@React@Microsoft@@SA?AV?$unique_ptr@UIWebSocket@React@Microsoft@@U?$default_delete@UIWebSocket@React@Microsoft@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@5@@Z
 ?Make@JSBigStringResourceDll@react@facebook@@SA?AV?$unique_ptr@$$CBVJSBigStringResourceDll@react@facebook@@U?$default_delete@$$CBVJSBigStringResourceDll@react@facebook@@@std@@@std@@PAUHINSTANCE__@@PAUHRSRC__@@@Z
diff --git a/vnext/ReactUWP/EndPoints/dll/react-native-uwp.x86sdx.def b/vnext/ReactUWP/EndPoints/dll/react-native-uwp.x86sdx.def
index 8b19ef3b74d..f177866e7bd 100644
--- a/vnext/ReactUWP/EndPoints/dll/react-native-uwp.x86sdx.def
+++ b/vnext/ReactUWP/EndPoints/dll/react-native-uwp.x86sdx.def
@@ -27,8 +27,8 @@ EXPORTS
 ??0LocationObserverModule@uwp@react@@QAE@ABV?$shared_ptr@UIReactContext@oReactNative@@@std@@@Z
 ??0WebSocketModule@uwp@react@@QAE@XZ
 
-?utf16ToUtf8@unicode@react@facebook@@YG?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@ABV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@5@@Z
-?utf8ToUtf16@unicode@react@facebook@@YG?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@5@@Z
+?utf16ToUtf8@unicode@react@facebook@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@ABV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@5@@Z
+?utf8ToUtf16@unicode@react@facebook@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@5@@Z
 
 ?demangle@folly@@YA?AV?$basic_fbstring@DU?$char_traits@D@std@@V?$allocator@D@2@V?$fbstring_core@D@folly@@@1@PBD@Z