diff --git a/folderstorage.cpp b/folderstorage.cpp
index 8fed49f0f..b46e571a0 100644
--- a/folderstorage.cpp
+++ b/folderstorage.cpp
@@ -939,7 +939,7 @@ void FolderStorage::writeConfig()
   group.writeEntry( "TotalMsgs", mTotalMsgs );
   group.writeEntry( "Compactable", mCompactable );
   group.writeEntry( "ContentsType", (int)mContentsType );
-  group.writeEntry("FolderSize", mSize);
+  group.writeEntry( "FolderSize", mSize );
 
   // Write the KMFolder parts
   if( folder() ) folder()->writeConfig( group );
diff --git a/folderstorage.h b/folderstorage.h
index e5bd21e1c..7b9ba6e95 100644
--- a/folderstorage.h
+++ b/folderstorage.h
@@ -250,7 +250,7 @@ public:
       required to keep the number unread messages variable current. */
   virtual void msgStatusChanged( const MessageStatus& oldStatus,
                                  const MessageStatus& newStatus,
-				 int idx);
+                                 int idx);
 
   /** Open folder for access.
     Does nothing if the folder is already opened. To reopen a folder
@@ -609,7 +609,7 @@ friend class KMMsgDict;
   /** number of unread messages, -1 if not yet set */
   int mUnreadMsgs, mGuessedUnreadMsgs;
   int mTotalMsgs;
-  quint64 mSize;
+  qint64 mSize;
   bool mWriteConfigEnabled :1;
   /** sven: true if on destruct folder needs to be compacted. */
   bool needsCompact :1;