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-rw-r--r--pyGHDL/dom/InterfaceItem.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/pyGHDL/dom/InterfaceItem.py b/pyGHDL/dom/InterfaceItem.py
index fcb8b0ef3..a4a94ec2d 100644
--- a/pyGHDL/dom/InterfaceItem.py
+++ b/pyGHDL/dom/InterfaceItem.py
@@ -57,7 +57,8 @@ class GenericConstantInterfaceItem(VHDLModel_GenericConstantInterfaceItem, GHDLM
name = NodeToName(generic)
mode = GetModeOfNode(generic)
subTypeIndication = GetSubtypeIndicationFromNode(generic, "generic", name)
- value = GetExpressionFromNode(nodes.Get_Default_Value(generic))
+ default = nodes.Get_Default_Value(generic);
+ value = GetExpressionFromNode(default) if default else None
generic = cls(name, mode, subTypeIndication, value)