diff --git a/tdbc/generic/tdbc.c b/tdbc/generic/tdbc.c
index ff8e05a..6c1bca8 100644
--- a/tdbc/generic/tdbc.c
+++ b/tdbc/generic/tdbc.c
@@ -191,7 +191,7 @@ TdbcMapSqlStateObjCmd(
  *-----------------------------------------------------------------------------
  */
 
-TDBCAPI int
+DLLEXPORT int
 Tdbc_Init(
     Tcl_Interp* interp		/* Tcl interpreter */
 ) {