diff --git a/source/de/anomic/crawler/retrieval/Response.java b/source/de/anomic/crawler/retrieval/Response.java
index bb21ba980..d3f29fda6 100755
--- a/source/de/anomic/crawler/retrieval/Response.java
+++ b/source/de/anomic/crawler/retrieval/Response.java
@@ -243,7 +243,7 @@ public class Response {
     public long size() {
         if (this.responseHeader != null) {
             // take the size from the response header
-            return this.responseHeader.getContentLength();
+            return this.responseHeader.getContentLengthLong();
         }
         if (this.content != null) return this.content.length;
         // the size is unknown
diff --git a/source/net/yacy/cora/protocol/HeaderFramework.java b/source/net/yacy/cora/protocol/HeaderFramework.java
index 4b21f7622..266aa5979 100644
--- a/source/net/yacy/cora/protocol/HeaderFramework.java
+++ b/source/net/yacy/cora/protocol/HeaderFramework.java
@@ -442,6 +442,23 @@ public class HeaderFramework extends TreeMap<String, String> implements Map<Stri
         return -1;
     }
 
+    /*
+     * provide method, which can handle big filelengths (for example from ftp)
+     * because we can't change the interface in apache httpclient
+     * 
+     * @see org.apache.commons.fileupload.RequestContext#getContentLength()
+     */
+    public long getContentLengthLong() {
+        if (containsKey(CONTENT_LENGTH)) {
+            try {
+                return Long.parseLong(get(CONTENT_LENGTH));
+            } catch (final NumberFormatException e) {
+                return -1;
+            }
+        }
+        return -1;
+    }
+
     /*
      * (non-Javadoc)
      *