diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/presencetracing/checkins/qrcode/QrCodeGenerator.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/presencetracing/checkins/qrcode/QrCodeGenerator.kt
index bb024a2b955640bce47235c8105bc001b153d4e3..0240cd0c49739a79b1fcb37679a11beb17a4c078 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/presencetracing/checkins/qrcode/QrCodeGenerator.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/presencetracing/checkins/qrcode/QrCodeGenerator.kt
@@ -40,7 +40,7 @@ class QrCodeGenerator @Inject constructor(
         input: String,
         length: Int = 1000,
         margin: Int = 1,
-        correctionLevel: ErrorCorrectionLevel = ErrorCorrectionLevel.Q,
+        correctionLevel: ErrorCorrectionLevel = ErrorCorrectionLevel.M,
         characterSet: String = Charsets.UTF_8.name()
     ): Bitmap = withContext(dispatcherProvider.Default) {
         Timber.i("correctionLevel=$correctionLevel")
diff --git a/Corona-Warn-App/src/main/res/navigation/nav_graph.xml b/Corona-Warn-App/src/main/res/navigation/nav_graph.xml
index b4f78c8b26e030ee87f1dbbcb67c4ba22d99ece0..c68ef8334e976cec8543a2ac66c5398f5ac9f0ae 100644
--- a/Corona-Warn-App/src/main/res/navigation/nav_graph.xml
+++ b/Corona-Warn-App/src/main/res/navigation/nav_graph.xml
@@ -815,7 +815,7 @@
             app:argType="string" />
         <argument
             android:name="correctionLevel"
-            android:defaultValue="Q"
+            android:defaultValue="M"
             app:argType="com.google.zxing.qrcode.decoder.ErrorCorrectionLevel" />
     </fragment>
     <action
diff --git a/gradle.properties b/gradle.properties
index 491178b383640d90a859fef43d26c6429b9c7dbe..212c6f98d0eb8b0eb380069923e23a62ad3b1b0d 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -19,5 +19,5 @@ org.gradle.dependency.verification.console=verbose
 # Versioning, this is used by the app & pipelines to calculate the current versionCode & versionName
 VERSION_MAJOR=2
 VERSION_MINOR=4
-VERSION_PATCH=1
-VERSION_BUILD=2
+VERSION_PATCH=2
+VERSION_BUILD=0