diff --git a/lib/src/test/java/de/kuschku/libquassel/quassel/syncables/NetworkTest.kt b/lib/src/test/java/de/kuschku/libquassel/quassel/syncables/NetworkTest.kt
index 332fdba36e63316fa17a4ca4141c0084175f7062..8aad33783eb331b7e21be4dd0a5374e248ffdb36 100644
--- a/lib/src/test/java/de/kuschku/libquassel/quassel/syncables/NetworkTest.kt
+++ b/lib/src/test/java/de/kuschku/libquassel/quassel/syncables/NetworkTest.kt
@@ -68,9 +68,9 @@ class NetworkTest {
     original.setMessageRateBurstSize(randomUInt())
     original.setMessageRateDelay(randomUInt())
     original.setUnlimitedMessageRate(randomBoolean())
-    original.setCodecForServer(randomCharset())
-    original.setCodecForEncoding(randomCharset())
-    original.setCodecForDecoding(randomCharset())
+    original.setCodecForServer(randomCharset().name())
+    original.setCodecForEncoding(randomCharset().name())
+    original.setCodecForDecoding(randomCharset().name())
 
     val copy = original.copy()
     copy.fromVariantMap(roundTrip(VariantMapSerializer, original.toVariantMap()))
@@ -119,9 +119,9 @@ class NetworkTest {
     original.setMessageRateBurstSize(randomUInt())
     original.setMessageRateDelay(randomUInt())
     original.setUnlimitedMessageRate(randomBoolean())
-    original.setCodecForServer(randomCharset())
-    original.setCodecForEncoding(randomCharset())
-    original.setCodecForDecoding(randomCharset())
+    original.setCodecForServer(randomCharset().name())
+    original.setCodecForEncoding(randomCharset().name())
+    original.setCodecForDecoding(randomCharset().name())
     original.setAutoAwayActive(randomBoolean())
 
     val copy = original.copy()