diff --git a/src/peakrdl_python_regmap/__about__.py b/src/peakrdl_python_regmap/__about__.py
index 7d2c551..62acbf5 100644
--- a/src/peakrdl_python_regmap/__about__.py
+++ b/src/peakrdl_python_regmap/__about__.py
@@ -1,2 +1,2 @@
-version_info = (0, 0, 4)
+version_info = (0, 0, 5)
 __version__ = ".".join([str(n) for n in version_info])
diff --git a/src/peakrdl_python_regmap/generator.py b/src/peakrdl_python_regmap/generator.py
index 920380e..62e2b12 100644
--- a/src/peakrdl_python_regmap/generator.py
+++ b/src/peakrdl_python_regmap/generator.py
@@ -36,17 +36,20 @@ class Generator(RDLListener):
         self.indent_level+=1
 
     def exit_AddressableComponent(self, node: AddressableNode) -> None:
-        self.f.write(f"{' '*self.indent_level*4}def __init__(self, addr: int = 0):\n")
-        self.f.write(f"{' '*self.indent_level*4}    self.addr = addr\n")
+        if len(node.children()) == 0:
+            self.f.write(f"{' '*self.indent_level*4}pass\n")
+        else:
+            self.f.write(f"{' '*self.indent_level*4}def __init__(self, addr: int = 0):\n")
+            self.f.write(f"{' '*self.indent_level*4}    self.addr = addr:\n")
 
-        for child in node.children():
-            if isinstance(child, AddressableNode):
-                if child.is_array:
-                    assert child.array_dimensions is not None
-                    if len(child.array_dimensions) > 1:
-                        raise NotImplementedError("Multidimensional arrays not supported")
-                    self.f.write(f"{' '*self.indent_level*4}    self.{child.inst_name} = [self.{child.inst_name}Class(self.addr + {child.raw_address_offset} + {child.size}*i) for i in range({child.n_elements})]\n")
-                else:
-                    self.f.write(f"{' '*self.indent_level*4}    self.{child.inst_name} = self.{child.inst_name}Class(self.addr + {child.address_offset})\n")
+            for child in node.children():
+                if isinstance(child, AddressableNode):
+                    if child.is_array:
+                        assert child.array_dimensions is not None
+                        if len(child.array_dimensions) > 1:
+                            raise NotImplementedError("Multidimensional arrays not supported")
+                        self.f.write(f"{' '*self.indent_level*4}    self.{child.inst_name} = [self.{child.inst_name}Class(self.addr + {child.raw_address_offset} + {child.size}*i) for i in range({child.n_elements})]\n")
+                    else:
+                        self.f.write(f"{' '*self.indent_level*4}    self.{child.inst_name} = self.{child.inst_name}Class(self.addr + {child.address_offset})\n")
 
         self.indent_level-=1
diff --git a/src/peakrdl_python_regmap/templates/regmap.py b/src/peakrdl_python_regmap/templates/regmap.py
index 0a6fb28..63b61de 100644
--- a/src/peakrdl_python_regmap/templates/regmap.py
+++ b/src/peakrdl_python_regmap/templates/regmap.py
@@ -1,2 +1,5 @@
 class AddrNode():
     addr: int
+
+    def __init__(self, addr: int = 0):
+        self.addr = addr