diff --git a/modules/io/src/mol/chemdict_parser.hh b/modules/io/src/mol/chemdict_parser.hh
index a21b437b87ef1ddd2ba968cf100b4292514a2c41..a76ae3c0cc6d58ccdf99356d22960148fc09c75c 100644
--- a/modules/io/src/mol/chemdict_parser.hh
+++ b/modules/io/src/mol/chemdict_parser.hh
@@ -36,7 +36,7 @@ typedef enum {
   DONT_KNOW
 } LoopType;
 
-class DLLEXPORT_OST_CONOP ChemdictParser : public StarParser {
+class DLLEXPORT_OST_IO ChemdictParser : public StarParser {
 public:
   ChemdictParser(std::istream& stream, conop::Compound::Dialect dialect): 
     StarParser(stream), compound_(new conop::Compound("UNK")),