diff --git a/include/sltdl/sltdl.h b/include/sltdl/sltdl.h
index bd0b5bb..1a885c0 100644
--- a/include/sltdl/sltdl.h
+++ b/include/sltdl/sltdl.h
@@ -21,6 +21,7 @@ extern "C" {
 /**********************************************************************/
 
 typedef struct lt_modctx * lt_dlhandle;
+typedef struct lt_modctl * lt_dladvise;
 
 /* global reference-counting */
 lt_api int lt_dlinit(void);