diff --git a/sw/inc/cellatr.hxx b/sw/inc/cellatr.hxx
index 36e709af2778..2dfb8c193b87 100644
--- a/sw/inc/cellatr.hxx
+++ b/sw/inc/cellatr.hxx
@@ -75,7 +75,7 @@ public:
 
 class SW_DLLPUBLIC SwTableBoxValue : public SfxPoolItem
 {
-    double nValue;
+    double m_nValue;
 public:
     SwTableBoxValue();
     SwTableBoxValue( const double aVal );
@@ -86,11 +86,11 @@ public:
 
     SwTableBoxValue& operator=( const SwTableBoxValue& rCmp )
     {
-        nValue = rCmp.nValue;
+        m_nValue = rCmp.m_nValue;
         return *this;
     }
 
-    double GetValue() const                     { return nValue; }
+    double GetValue() const                     { return m_nValue; }
 };
 
 inline const SwTableBoxNumFormat      &SwAttrSet::GetTableBoxNumFormat(bool bInP) const
diff --git a/sw/source/core/attr/cellatr.cxx b/sw/source/core/attr/cellatr.cxx
index 6817eea0c6c1..a157927a6089 100644
--- a/sw/source/core/attr/cellatr.cxx
+++ b/sw/source/core/attr/cellatr.cxx
@@ -193,12 +193,12 @@ void SwTableBoxFormula::Calc( SwTableCalcPara& rCalcPara, double& rValue )
 }
 
 SwTableBoxValue::SwTableBoxValue()
-    : SfxPoolItem( RES_BOXATR_VALUE ), nValue( 0 )
+    : SfxPoolItem( RES_BOXATR_VALUE ), m_nValue( 0 )
 {
 }
 
 SwTableBoxValue::SwTableBoxValue( const double nVal )
-    : SfxPoolItem( RES_BOXATR_VALUE ), nValue( nVal )
+    : SfxPoolItem( RES_BOXATR_VALUE ), m_nValue( nVal )
 {
 }
 
@@ -207,14 +207,14 @@ bool SwTableBoxValue::operator==( const SfxPoolItem& rAttr ) const
     assert(SfxPoolItem::operator==(rAttr));
     SwTableBoxValue const& rOther( static_cast<SwTableBoxValue const&>(rAttr) );
     // items with NaN should be equal to enable pooling
-    return ::rtl::math::isNan( nValue )
-        ?   ::rtl::math::isNan( rOther.nValue )
-        :   ( nValue == rOther.nValue );
+    return ::rtl::math::isNan( m_nValue )
+        ?   ::rtl::math::isNan( rOther.m_nValue )
+        :   ( m_nValue == rOther.m_nValue );
 }
 
 SfxPoolItem* SwTableBoxValue::Clone( SfxItemPool* ) const
 {
-    return new SwTableBoxValue( nValue );
+    return new SwTableBoxValue( m_nValue );
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */