diff --git a/pyext/GFitsTable.i b/pyext/GFitsTable.i
index 275a7a6..b669704 100644
--- a/pyext/GFitsTable.i
+++ b/pyext/GFitsTable.i
@@ -122,6 +122,7 @@ public:
     void append_rows(const int& nrows);
     void insert_rows(const int& rownum, const int& nrows);
     void remove_rows(const int& rownum, const int& nrows);
+    bool has(const std::string& colname) const;
     int  nrows(void) const;
     int  ncols(void) const;
 };