diff --git a/modules/io/src/mol/chemdict_parser.hh b/modules/io/src/mol/chemdict_parser.hh
index 51bc241fd1c7ee1e89f91c082bcf927bbd8a40b7..16c968252faf07a0dc9ba3efcde81e9ef18d2dcc 100644
--- a/modules/io/src/mol/chemdict_parser.hh
+++ b/modules/io/src/mol/chemdict_parser.hh
@@ -78,7 +78,9 @@ private:
     STEREO_CONF=6,
     ATOM_ID1=0,
     ATOM_ID2=1,
-    BOND_ORDER=2
+    BOND_ORDER=2,
+    DESC_TYPE=0,
+    DESC=1
   } PropIndex;
   char                                    last_;
   int                                     indices_[10];