diff --git a/src/obiview.h b/src/obiview.h
index f5fbddc..05ea843 100644
--- a/src/obiview.h
+++ b/src/obiview.h
@@ -55,6 +55,8 @@
 #define COUNT_COLUMN "COUNT"				    /**< The name of the column containing the sequence counts
  	 	 	 	 	 	 	 	 	 	 	 	 *   in NUC_SEQS_VIEW views.
                                 	 	  	  	 */
+#define TAXID_COLUMN "TAXID"				    /**< The name of the column containing the taxids.       TODO subtype of INT column?
+                                	             */
 #define ID_PREFIX "seq"						    /**< The default prefix of sequence identifiers in automatic ID columns.
                                 	 	  	  	 */