4 files changed, 5 insertions, 4 deletions
diff --git a/package/source/xstor/ocompinstream.cxx b/package/source/xstor/ocompinstream.cxx
index af87464d2bf3..98592e61c590 100644
--- a/package/source/xstor/ocompinstream.cxx
+++ b/package/source/xstor/ocompinstream.cxx
@@ -67,7 +67,7 @@ OInputCompStream::~OInputCompStream()
 
     if ( !m_bDisposed )
     {
-        m_refCount++;
+        osl_atomic_increment(&m_refCount);
         dispose();
     }
 }
diff --git a/package/source/xstor/owriteablestream.cxx b/package/source/xstor/owriteablestream.cxx
index 67f152075131..ee06fc0c398c 100644
--- a/package/source/xstor/owriteablestream.cxx
+++ b/package/source/xstor/owriteablestream.cxx
@@ -1668,7 +1668,7 @@ OWriteStream::~OWriteStream()
     ::osl::MutexGuard aGuard( m_pData->m_xSharedMutex->GetMutex() );
     if ( m_pImpl )
     {
-        m_refCount++;
+        osl_atomic_increment(&m_refCount);
         try {
             dispose();
         }
diff --git a/package/source/xstor/xstorage.cxx b/package/source/xstor/xstorage.cxx
index 20dff2794b63..fe127883c126 100644
--- a/package/source/xstor/xstorage.cxx
+++ b/package/source/xstor/xstorage.cxx
@@ -1793,7 +1793,7 @@ OStorage::~OStorage()
     ::osl::MutexGuard aGuard( m_pData->m_xSharedMutex->GetMutex() );
     if ( m_pImpl )
     {
-        m_refCount++; // to call dispose
+        osl_atomic_increment(&m_refCount); // to call dispose
         try {
             dispose();
         }
diff --git a/package/source/zippackage/zipfileaccess.cxx b/package/source/zippackage/zipfileaccess.cxx
index d6cd52849735..01252838e110 100644
--- a/package/source/zippackage/zipfileaccess.cxx
+++ b/package/source/zippackage/zipfileaccess.cxx
@@ -61,7 +61,8 @@ OZipFileAccess::~OZipFileAccess()
     if ( !m_bDisposed )
     {
         try {
-            m_refCount++; // dispose will use refcounting so the further destruction must be avoided
+             // dispose will use refcounting so the further destruction must be avoided
+            osl_atomic_increment(&m_refCount);
             dispose();
         } catch( uno::Exception& )
         {}