diff --git a/lib/package.json b/lib/package.json
index 987ffbb..fe27ec6 100644
--- a/lib/package.json
+++ b/lib/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-native-debug-console",
-  "version": "1.0.0-beta.10",
+  "version": "1.0.0-beta.12",
   "main": "src/index.js",
   "repository": {
     "url": "https://github.com/morten-olsen/react-native-debugger"
diff --git a/lib/src/components/DevTool/Requests/Details.js b/lib/src/components/DevTool/Requests/Details.js
index a5e67a5..422f0b9 100644
--- a/lib/src/components/DevTool/Requests/Details.js
+++ b/lib/src/components/DevTool/Requests/Details.js
@@ -46,7 +46,7 @@ const getResponse = (request) => {
   if (request.responseType == 'blob' || request.responseType == 'ArrayBuffer') {
     return <Emphasis>🤖 Binary</Emphasis>
   }
-  const contentType = request.getResponseHeader('content-type');
+  const contentType = request.getResponseHeader('content-type') || '';
   const contentTypes = contentType.split(';').map(c => c.trim());
 
   if (contentTypes.includes('application/json')) {
@@ -106,7 +106,7 @@ const getPreview = (request, url) => {
   if (request.responseType == 'blob' || request.responseType == 'ArrayBuffer') {
     return [];
   }
-  const contentType = request.getResponseHeader('content-type');
+  const contentType = request.getResponseHeader('content-type') || '';
   const contentTypes = contentType.split(';').map(c => c.trim());
 
   if (contentTypes.includes('text/html')) {