diff --git a/package/source/zippackage/zipfileaccess.cxx b/package/source/zippackage/zipfileaccess.cxx
index c704663fb128..cb5996aa3c8e 100644
--- a/package/source/zippackage/zipfileaccess.cxx
+++ b/package/source/zippackage/zipfileaccess.cxx
@@ -277,7 +277,7 @@ uno::Sequence< ::rtl::OUString > SAL_CALL OZipFileAccess::getElementNames()
     uno::Sequence< ::rtl::OUString > aNames( m_pZipFile->GetEntryHash().size() );
     sal_Int32 nLen = 0;
 
-    for ( EntryHash::iterator aIter = m_pZipFile->GetEntryHash().begin(); aIter != m_pZipFile->GetEntryHash().end(); aIter++ )
+    for ( EntryHash::iterator aIter = m_pZipFile->GetEntryHash().begin(); aIter != m_pZipFile->GetEntryHash().end(); ++aIter )
     {
         if ( aNames.getLength() < ++nLen )
         {
@@ -362,7 +362,7 @@ uno::Reference< io::XInputStream > SAL_CALL OZipFileAccess::getStreamByPattern(
     // Code to compare strings by patterns
     uno::Sequence< ::rtl::OUString > aPattern = GetPatternsFromString_Impl( aPatternString );
 
-    for ( EntryHash::iterator aIter = m_pZipFile->GetEntryHash().begin(); aIter != m_pZipFile->GetEntryHash().end(); aIter++ )
+    for ( EntryHash::iterator aIter = m_pZipFile->GetEntryHash().begin(); aIter != m_pZipFile->GetEntryHash().end(); ++aIter )
     {
         if ( StringGoodForPattern_Impl( (*aIter).second.sPath, aPattern ) )
         {