diff --git a/src/main/java/org/kohsuke/github/GHPullRequest.java b/src/main/java/org/kohsuke/github/GHPullRequest.java
index 94699c97a..961117573 100644
--- a/src/main/java/org/kohsuke/github/GHPullRequest.java
+++ b/src/main/java/org/kohsuke/github/GHPullRequest.java
@@ -117,6 +117,6 @@ public class GHPullRequest extends GHIssue {
 	}
 
 	public GHDetailedPullRequest getDetailedPullRequest() throws IOException{
-		return (GHDetailedPullRequest) owner.getPullRequest(this.getNumber());
+		return owner.getPullRequest(this.getNumber());
 	}
 }
diff --git a/src/main/java/org/kohsuke/github/GHRepository.java b/src/main/java/org/kohsuke/github/GHRepository.java
index 5fa3cc0b3..12b3d3c88 100644
--- a/src/main/java/org/kohsuke/github/GHRepository.java
+++ b/src/main/java/org/kohsuke/github/GHRepository.java
@@ -352,7 +352,7 @@ public class GHRepository {
     /**
      * Retrieves a specified pull request.
      */
-    public GHPullRequest getPullRequest(int i) throws IOException {
+    public GHDetailedPullRequest getPullRequest(int i) throws IOException {
         return root.retrieveWithAuth("/repos/" + owner.login + '/' + name + "/pulls/" + i, GHDetailedPullRequest.class).wrapUp(this);
     }