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-rw-r--r--svtools/source/filter/exportdialog.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/svtools/source/filter/exportdialog.cxx b/svtools/source/filter/exportdialog.cxx
index 706715bec5b1..b935acf1d096 100644
--- a/svtools/source/filter/exportdialog.cxx
+++ b/svtools/source/filter/exportdialog.cxx
@@ -951,7 +951,7 @@ void ExportDialog::updateControls()
if (nInd != -1)
aEst = aEst.replaceAt( nInd, 2, ImpValueOfInKB( nRawFileSize ) );
- if ( nRealFileSize )
+ if ( nRealFileSize && nInd != -1 )
{
nInd = aEst.indexOf( "%", nInd );
if (nInd != -1)