diff --git a/server/application-server/src/main/java/de/tum/in/www1/hephaestus/codereview/pullrequest/PullRequest.java b/server/application-server/src/main/java/de/tum/in/www1/hephaestus/codereview/pullrequest/PullRequest.java
index cdc0b67f..4e0f4dde 100644
--- a/server/application-server/src/main/java/de/tum/in/www1/hephaestus/codereview/pullrequest/PullRequest.java
+++ b/server/application-server/src/main/java/de/tum/in/www1/hephaestus/codereview/pullrequest/PullRequest.java
@@ -33,9 +33,6 @@ public class PullRequest extends BaseGitServiceEntity {
     @NonNull
     private String url;
 
-    @NonNull
-    private int prNumber;
-
     /**
      * State of the PullRequest.
      * Does not include the state of the merge.
diff --git a/server/application-server/src/main/java/de/tum/in/www1/hephaestus/codereview/pullrequest/PullRequestConverter.java b/server/application-server/src/main/java/de/tum/in/www1/hephaestus/codereview/pullrequest/PullRequestConverter.java
index faac7961..855152d1 100644
--- a/server/application-server/src/main/java/de/tum/in/www1/hephaestus/codereview/pullrequest/PullRequestConverter.java
+++ b/server/application-server/src/main/java/de/tum/in/www1/hephaestus/codereview/pullrequest/PullRequestConverter.java
@@ -28,7 +28,6 @@ public PullRequest convert(@NonNull GHPullRequest source) {
         pullRequest.setTitle(source.getTitle());
         pullRequest.setUrl(source.getHtmlUrl().toString());
         pullRequest.setState(state);
-        pullRequest.setPrNumber(source.getNumber());
         pullRequest.setPullRequestLabels(convertLabels(source.getLabels()));
         try {
             pullRequest.setAdditions(source.getAdditions());
diff --git a/webapp/src/app/ui/app-issue-card/app-issue-card.component.html b/webapp/src/app/ui/app-issue-card/app-issue-card.component.html
index 63a315ad..931bbaa2 100644
--- a/webapp/src/app/ui/app-issue-card/app-issue-card.component.html
+++ b/webapp/src/app/ui/app-issue-card/app-issue-card.component.html
@@ -1,7 +1,7 @@
-<div class="border border-gray-300 rounded-lg p-4 w-72">
+<div class="border border-border bg-card rounded-lg p-4 w-72">
   <div class="flex justify-between items-center mb-2 text-xs text-gray-500">
     <span class="font-bold flex justify-center items-center space-x-1">
-      <ng-icon [svg]="octGitPullRequest" size="16" class="mr-1"></ng-icon> {{ pullRequest().repository.name }} #{{ pullRequest().number }} on {{ pullRequest().createdAt }}
+      <ng-icon [svg]="octGitPullRequest" size="16" class="mr-1"></ng-icon> {{ pullRequest().repository?.name }} #{{ pullRequest().number }} on {{ pullRequest().createdAt }}
     </span>
     <span class="flex items-center space-x-2">
       <span class="text-github-success-foreground font-bold">+{{ pullRequest().additions }}</span>