diff --git a/src/main/java/de/thm/arsnova/controller/SessionController.java b/src/main/java/de/thm/arsnova/controller/SessionController.java
index 86eebf0da76306d70f27e4904e69eb0e373d76f8..e03e2cab3e4537d16440598aedd25c05d0c2eaaf 100644
--- a/src/main/java/de/thm/arsnova/controller/SessionController.java
+++ b/src/main/java/de/thm/arsnova/controller/SessionController.java
@@ -32,7 +32,6 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.security.access.AccessDeniedException;
-import org.springframework.security.core.token.Sha512DigestUtils;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -67,13 +66,7 @@ public class SessionController extends AbstractController {
 
 	@RequestMapping(value = "/{sessionkey}", method = RequestMethod.GET)
 	public final Session joinSession(@PathVariable final String sessionkey) {
-		final Session session = sessionService.getSession(sessionkey);
-		if (!session.isCreator(userService.getCurrentUser())) {
-			session.setCreator("NOT VISIBLE TO YOU");
-		} else {
-			session.setCreator(Sha512DigestUtils.shaHex(session.getCreator()));
-		}
-		return session;
+		return Session.anonymizedCopy(sessionService.getSession(sessionkey));
 	}
 
 	@RequestMapping(value = "/{sessionkey}", method = RequestMethod.DELETE)
diff --git a/src/main/java/de/thm/arsnova/entities/Session.java b/src/main/java/de/thm/arsnova/entities/Session.java
index 85b809776a2664db6eca175bb0411ea0009ce6aa..f9a7d46d7483dab854d3eb81c158960ea3a79f51 100644
--- a/src/main/java/de/thm/arsnova/entities/Session.java
+++ b/src/main/java/de/thm/arsnova/entities/Session.java
@@ -52,6 +52,27 @@ public class Session implements Serializable {
 	private String _id;
 	private String _rev;
 
+	/**
+	 * Returns a copy of the given session without any information that identifies a person.
+	 * @param original The session to create a anonymized copy of
+	 * @return
+	 */
+	public static Session anonymizedCopy(final Session original) {
+		final Session copy = new Session();
+		copy.type = original.type;
+		copy.name = original.name;
+		copy.shortName = original.shortName;
+		copy.keyword = original.keyword;
+		copy.creator = ""; // anonymous
+		copy.active = original.active;
+		copy.lastOwnerActivity = original.lastOwnerActivity;
+		copy.courseType = original.courseType;
+		copy.courseId = original.courseId;
+		copy._id = original._id;
+		copy._rev = original._rev;
+		return copy;
+	}
+
 	public String getType() {
 		return type;
 	}