diff --git a/Libraries/Core/Devtools/getDevServer.js b/Libraries/Core/Devtools/getDevServer.js
index e413709da..975a75f82 100644
--- a/Libraries/Core/Devtools/getDevServer.js
+++ b/Libraries/Core/Devtools/getDevServer.js
@@ -25,7 +25,7 @@ type DevServerInfo = {
  */
 function getDevServer(): DevServerInfo {
   if (_cachedDevServerURL === undefined) {
-    const match = SourceCode.scriptURL && SourceCode.scriptURL.match(/^https?:\/\/.*?\//);
+    const match = SourceCode && SourceCode.scriptURL && SourceCode.scriptURL.match(/^https?:\/\/.*?\//);
     _cachedDevServerURL = match ? match[0] : null;
   }
 
diff --git a/Libraries/Image/resolveAssetSource.js b/Libraries/Image/resolveAssetSource.js
index a5b6229d3..24fec6ef3 100644
--- a/Libraries/Image/resolveAssetSource.js
+++ b/Libraries/Image/resolveAssetSource.js
@@ -92,7 +92,7 @@ if (!sourceCode) {
   const NativeModules = require('NativeModules');
   sourceCode = NativeModules && NativeModules.SourceCode;
 }
-_sourceCodeScriptURL = sourceCode.scriptURL;
+_sourceCodeScriptURL = sourceCode && sourceCode.scriptURL;
 
 module.exports = resolveAssetSource;
 module.exports.pickScale = AssetSourceResolver.pickScale;