diff --git a/sc/source/filter/inc/extlstcontext.hxx b/sc/source/filter/inc/extlstcontext.hxx
index 077ebdbebf8e..c8c3f5ddb355 100644
--- a/sc/source/filter/inc/extlstcontext.hxx
+++ b/sc/source/filter/inc/extlstcontext.hxx
@@ -16,7 +16,7 @@
 #include <vector>
 #include <memory>
 
-extern sal_Int32 rStyleIdx; // Holds index of the <extlst> <cfRule> style (Will be reset by finalize import)
+extern sal_Int32 gnStyleIdx; // Holds index of the <extlst> <cfRule> style (Will be reset by finalize import)
 
 struct ScDataBarFormatData;
 namespace oox { class AttributeList; }
diff --git a/sc/source/filter/oox/condformatbuffer.cxx b/sc/source/filter/oox/condformatbuffer.cxx
index d1ee97ca70ac..2b212352eaa7 100644
--- a/sc/source/filter/oox/condformatbuffer.cxx
+++ b/sc/source/filter/oox/condformatbuffer.cxx
@@ -1354,7 +1354,7 @@ void CondFormatBuffer::finalizeImport()
         ++nExtCFIndex;
     }
 
-    rStyleIdx = 0; // Resets <extlst> <cfRule> style index.
+    gnStyleIdx = 0; // Resets <extlst> <cfRule> style index.
 }
 
 CondFormatRef CondFormatBuffer::importCondFormatting( SequenceInputStream& rStrm )
diff --git a/sc/source/filter/oox/extlstcontext.cxx b/sc/source/filter/oox/extlstcontext.cxx
index d6af04240572..9e542b744b7f 100644
--- a/sc/source/filter/oox/extlstcontext.cxx
+++ b/sc/source/filter/oox/extlstcontext.cxx
@@ -30,7 +30,7 @@
 using ::oox::core::ContextHandlerRef;
 using ::oox::xls::CondFormatBuffer;
 
-sal_Int32 rStyleIdx = 0;
+sal_Int32 gnStyleIdx = 0; // Holds index of the <extlst> <cfRule> style (Will be reset by finalize import)
 
 namespace oox::xls {
 
@@ -292,10 +292,10 @@ void ExtConditionalFormattingContext::onEndElement()
                 maModel.eOperator = ScConditionMode::Direct;
             }
 
-            if (Dxf* pDxf = getStyles().getExtDxfs().get(rStyleIdx).get())
+            if (Dxf* pDxf = getStyles().getExtDxfs().get(gnStyleIdx).get())
                 pDxf->finalizeImport();
-            maModel.aStyle = getStyles().createExtDxfStyle(rStyleIdx);
-            rStyleIdx++;
+            maModel.aStyle = getStyles().createExtDxfStyle(gnStyleIdx);
+            gnStyleIdx++;
             nFormulaCount = 0;
             maModels.push_back(maModel);
         }