diff --git a/package.json b/package.json
index 3dcd6e4c..fb7834fb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@serlo/serlo-abc",
-  "version": "1.2.2-0",
+  "version": "1.2.2-1",
   "versionCode": 5,
   "main": "node_modules/expo/AppEntry.js",
   "repository": "serlo/serlo-abc",
diff --git a/scripts/generate-app-config.ts b/scripts/generate-app-config.ts
index cd9cf816..adc4a086 100644
--- a/scripts/generate-app-config.ts
+++ b/scripts/generate-app-config.ts
@@ -25,7 +25,7 @@ const travisConfig = mergeDeepRight(config, {
       nonPersistent: true
     },
     ios: {
-      buildNumber: version
+      buildNumber: version.split('-')[0]
     },
     android: {
       versionCode