diff --git a/src/main/java/com/arangodb/ArangoDBException.java b/src/main/java/com/arangodb/ArangoDBException.java
index 7c3e02b91..800b2e6eb 100644
--- a/src/main/java/com/arangodb/ArangoDBException.java
+++ b/src/main/java/com/arangodb/ArangoDBException.java
@@ -53,11 +53,11 @@ public String getException() {
 		return entity != null ? entity.getException() : null;
 	}
 
-	public int getResponseCode() {
+	public Integer getResponseCode() {
 		return entity != null ? entity.getCode() : null;
 	}
 
-	public int getErrorNum() {
+	public Integer getErrorNum() {
 		return entity != null ? entity.getErrorNum() : null;
 	}