1 files changed, 3 insertions, 0 deletions
diff --git a/src/synth/elab-vhdl_insts.adb b/src/synth/elab-vhdl_insts.adb
index 3816cb9a4..96272af7c 100644
--- a/src/synth/elab-vhdl_insts.adb
+++ b/src/synth/elab-vhdl_insts.adb
@@ -342,6 +342,9 @@ package body Elab.Vhdl_Insts is
             when Iir_Kind_Association_Element_By_Individual =>
                return Synth_Subtype_Indication
                  (Syn_Inst, Get_Actual_Type (Assoc));
+            when Iir_Kind_Association_Element_Open =>
+               return Exec_Type_Of_Object
+                 (Syn_Inst, Get_Default_Value (Inter));
             when others =>
                raise Internal_Error;
          end case;