diff --git a/src/main/java/jenkins/plugins/rocketchatnotifier/RocketChatNotifier.java b/src/main/java/jenkins/plugins/rocketchatnotifier/RocketChatNotifier.java
index 81b3b68c..65dd1c8a 100644
--- a/src/main/java/jenkins/plugins/rocketchatnotifier/RocketChatNotifier.java
+++ b/src/main/java/jenkins/plugins/rocketchatnotifier/RocketChatNotifier.java
@@ -397,11 +397,11 @@ public RocketClient newRocketChatClient(AbstractBuild r, BuildListener listener)
     }
     String webhookTokenCredentialId = this.webhookTokenCredentialId;
     if (StringUtils.isEmpty(webhookTokenCredentialId)) {
-      channel = getDescriptor().getWebhookTokenCredentialId();
+      webhookTokenCredentialId = getDescriptor().getWebhookTokenCredentialId();
     }
     String webhookToken = this.webhookToken;
     if (StringUtils.isEmpty(webhookToken)) {
-      channel = getDescriptor().getWebhookToken();
+      webhookToken = getDescriptor().getWebhookToken();
     }
 
     EnvVars env;