diff --git a/apt-pkg/acquire-worker.cc b/apt-pkg/acquire-worker.cc
index 4f0b52a..43c7c5d 100644
--- a/apt-pkg/acquire-worker.cc
+++ b/apt-pkg/acquire-worker.cc
@@ -245,9 +245,9 @@ bool pkgAcquire::Worker::RunMessages()
 	    
 	    CurrentItem = Itm;
 	    CurrentSize = 0;
-	    TotalSize = atoi(LookupTag(Message,"Size","0").c_str());
-	    ResumePoint = atoi(LookupTag(Message,"Resume-Point","0").c_str());
-	    Itm->Owner->Start(Message,atoi(LookupTag(Message,"Size","0").c_str()));
+	    TotalSize = strtoull(LookupTag(Message,"Size","0").c_str(), NULL, 10);
+	    ResumePoint = strtoull(LookupTag(Message,"Resume-Point","0").c_str(), NULL, 10);
+	    Itm->Owner->Start(Message,strtoull(LookupTag(Message,"Size","0").c_str(), NULL, 10));
 
 	    // Display update before completion
 	    if (Log != 0 && Log->MorePulses == true)
@@ -276,10 +276,10 @@ bool pkgAcquire::Worker::RunMessages()
 	       Log->Pulse(Owner->GetOwner());
 	    
 	    OwnerQ->ItemDone(Itm);
-	    if (TotalSize != 0 &&
-		(unsigned)atoi(LookupTag(Message,"Size","0").c_str()) != TotalSize)
-	       _error->Warning("Bizarre Error - File size is not what the server reported %s %lu",
-			       LookupTag(Message,"Size","0").c_str(),TotalSize);
+	    unsigned long long const ServerSize = strtoull(LookupTag(Message,"Size","0").c_str(), NULL, 10);
+	    if (TotalSize != 0 && ServerSize != TotalSize)
+	       _error->Warning("Size of file %s is not what the server reported %s %llu",
+			       Owner->DestFile.c_str(), LookupTag(Message,"Size","0").c_str(),TotalSize);
 
 	    // see if there is a hash to verify
 	    string RecivedHash;
@@ -298,8 +298,7 @@ bool pkgAcquire::Worker::RunMessages()
 		       << endl << endl;
 	       }
 	    }
-	    Owner->Done(Message,atoi(LookupTag(Message,"Size","0").c_str()),
-			RecivedHash.c_str(), Config);
+	    Owner->Done(Message, ServerSize, RecivedHash.c_str(), Config);
 	    ItemDone();
 	    
 	    // Log that we are done