diff --git a/hwpfilter/source/hwpfile.cxx b/hwpfilter/source/hwpfile.cxx
index 637489aee04b..c186ad8609a4 100644
--- a/hwpfilter/source/hwpfile.cxx
+++ b/hwpfilter/source/hwpfile.cxx
@@ -566,13 +566,13 @@ void HWPFile::AddCharShape(std::shared_ptr<CharShape> const & cshape)
 
 void HWPFile::AddColumnInfo()
 {
-    columnlist.emplace_back(new ColumnInfo(m_nCurrentPage));
+    columnlist.emplace_back(new HWPColumnInfo(m_nCurrentPage));
     setMaxSettedPage();
 }
 
 void HWPFile::SetColumnDef(const std::shared_ptr<ColumnDef>& rColdef)
 {
-    ColumnInfo *cinfo = columnlist.back().get();
+    HWPColumnInfo *cinfo = columnlist.back().get();
     if( cinfo->bIsSet )
         return;
     cinfo->xColdef = rColdef;
diff --git a/hwpfilter/source/hwpfile.h b/hwpfilter/source/hwpfile.h
index 2c4d7e7bdc9e..126b7edf0fd8 100644
--- a/hwpfilter/source/hwpfile.h
+++ b/hwpfilter/source/hwpfile.h
@@ -68,11 +68,11 @@ class   HWPStyle;
 class   HWPPara;
 class   HStream;
 
-struct ColumnInfo{
+struct HWPColumnInfo{
     int start_page;
     bool bIsSet;
     std::shared_ptr<ColumnDef> xColdef;
-    explicit ColumnInfo(int num){
+    explicit HWPColumnInfo(int num){
         start_page = num;
         bIsSet = false;
     }
@@ -279,7 +279,7 @@ class DLLEXPORT HWPFile
         HWPInfo   _hwpInfo;
         HWPFont   _hwpFont;
         HWPStyle  _hwpStyle;
-        std::vector<std::unique_ptr<ColumnInfo>> columnlist;
+        std::vector<std::unique_ptr<HWPColumnInfo>> columnlist;
         // paragraph list
         std::vector<std::unique_ptr<HWPPara>> plist;
         // keep paragraph's that failed to load until