1 files changed, 2 insertions, 2 deletions

diff --git a/qmake/tools/qbuffer.cpp b/qmake/tools/qbuffer.cpp
index b213dd9..0fc90e4 100644
--- a/qmake/tools/qbuffer.cpp
+++ b/qmake/tools/qbuffer.cpp
@@ -175,50 +175,50 @@ bool QBuffer::setBuffer( QByteArray buf )
     otherwise returns FALSE. The buffer must be opened before use.
 
     The mode parameter \a m must be a combination of the following flags.
     \list
     \i \c IO_ReadOnly opens the buffer in read-only mode.
     \i \c IO_WriteOnly opens the buffer in write-only mode.
     \i \c IO_ReadWrite opens the buffer in read/write mode.
     \i \c IO_Append sets the buffer index to the end of the buffer.
     \i \c IO_Truncate truncates the buffer.
     \endlist
 
     \sa close(), isOpen()
 */
 
 bool QBuffer::open( int m  )
 {
     if ( isOpen() ) {                           // buffer already open
 #if defined(QT_CHECK_STATE)
         qWarning( "QBuffer::open: Buffer already open" );
 #endif
         return FALSE;
     }
     setMode( m );
     if ( m & IO_Truncate ) {                    // truncate buffer
-        a.resize( 0 );
-        a_len = 0;
+        a.resize( 1 );
+        a_len = 1;
     }
     if ( m & IO_Append ) {                      // append to end of buffer
         ioIndex = a.size();
     } else {
         ioIndex = 0;
     }
     a_inc = 16;
     setState( IO_Open );
     setStatus( 0 );
     return TRUE;
 }
 
 /*!
     \reimp
 
     Closes an open buffer.
 
     \sa open()
 */
 
 void QBuffer::close()
 {
     if ( isOpen() ) {
         setFlags( IO_Direct );