diff --git a/src/ia64/init.h b/src/ia64/init.h
index f4c44410..784d59d8 100644
--- a/src/ia64/init.h
+++ b/src/ia64/init.h
@@ -103,6 +103,7 @@ common_init (struct ia64_cursor *c)
 	}
     }
 #endif
+  c->sigcontext_loc = 0;
 
 #ifdef IA64_UNW_SCRIPT_CACHE
   c->hint = 0;