diff --git a/demos/dbbrowse/browsedb.cpp b/demos/dbbrowse/browsedb.cpp
index 2a8659b6c4..6591629027 100644
--- a/demos/dbbrowse/browsedb.cpp
+++ b/demos/dbbrowse/browsedb.cpp
@@ -406,7 +406,7 @@ wxDbInf* BrowserDB::OnGetCatalog(int Quiet)
 }
 
 //----------------------------------------------------------------------------------------
-wxDbColInf* BrowserDB::OnGetColumns(char *tableName, int numCols, int Quiet)
+wxDbColInf* BrowserDB::OnGetColumns(char *tableName, UWORD numCols, int Quiet)
 {
     char UName[255];
     int i;
diff --git a/demos/dbbrowse/browsedb.h b/demos/dbbrowse/browsedb.h
index 52d2421d9a..1c40dbc6e0 100644
--- a/demos/dbbrowse/browsedb.h
+++ b/demos/dbbrowse/browsedb.h
@@ -70,7 +70,7 @@ public:
     bool           OnExecSql(wxString SQLStmt,int Quiet);
     bool           OnGetNext(int Cols,int Quiet);
     wxDbInf*       OnGetCatalog(int Quiet);
-    wxDbColInf*    OnGetColumns(char *tableName, int numCols,int Quiet);
+    wxDbColInf*    OnGetColumns(char *tableName, UWORD numCols,int Quiet);
     void           OnFillSqlTyp();
     void           OnFilldbTyp();
     //---------------------------------------------------------------------------------------