diff --git a/pyhon/commands.py b/pyhon/commands.py
index f839fc0..82a7c6d 100644
--- a/pyhon/commands.py
+++ b/pyhon/commands.py
@@ -71,7 +71,7 @@ class HonCommand:
     def parameter_groups(self) -> Dict[str, Dict[str, Union[str, float]]]:
         result: Dict[str, Dict[str, Union[str, float]]] = {}
         for name, parameter in self._parameters.items():
-            result.setdefault(parameter.group, {})[name] = parameter.value
+            result.setdefault(parameter.group, {})[name] = parameter.intern_value
         return result
 
     @property
diff --git a/pyhon/parameter/base.py b/pyhon/parameter/base.py
index 7f505c1..f7b8086 100644
--- a/pyhon/parameter/base.py
+++ b/pyhon/parameter/base.py
@@ -22,6 +22,10 @@ class HonParameter:
     def value(self) -> str | float:
         return self._value if self._value is not None else "0"
 
+    @property
+    def intern_value(self) -> str | float:
+        return str(self._value) if self._value is not None else ""
+
     @property
     def values(self) -> List[str]:
         return [str(self.value)]
diff --git a/pyhon/parameter/enum.py b/pyhon/parameter/enum.py
index 016c617..b9074c7 100644
--- a/pyhon/parameter/enum.py
+++ b/pyhon/parameter/enum.py
@@ -3,13 +3,17 @@ from typing import Dict, Any, List
 from pyhon.parameter.base import HonParameter
 
 
+def clean_value(value):
+    return str(value).strip("[]").replace("|", "_").lower()
+
+
 class HonParameterEnum(HonParameter):
     def __init__(self, key: str, attributes: Dict[str, Any], group: str) -> None:
         super().__init__(key, attributes, group)
         self._default = attributes.get("defaultValue")
         self._value = self._default or "0"
         self._values: List[str] = attributes.get("enumValues", [])
-        if self._default and str(self._default.strip("[]")) not in self.values:
+        if self._default and clean_value(self._default.strip("[]")) not in self.values:
             self._values.append(self._default)
 
     def __repr__(self) -> str:
@@ -17,7 +21,7 @@ class HonParameterEnum(HonParameter):
 
     @property
     def values(self) -> List[str]:
-        return [str(value) for value in self._values]
+        return [clean_value(value) for value in self._values]
 
     @values.setter
     def values(self, values) -> None:
@@ -25,7 +29,7 @@ class HonParameterEnum(HonParameter):
 
     @property
     def value(self) -> str | float:
-        return self._value if self._value is not None else self.values[0]
+        return clean_value(self._value) if self._value is not None else self.values[0]
 
     @value.setter
     def value(self, value: str) -> None:
diff --git a/setup.py b/setup.py
index 2c7caca..2bea08b 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@ with open("README.md", "r") as f:
 
 setup(
     name="pyhOn",
-    version="0.11.0",
+    version="0.11.1",
     author="Andre Basche",
     description="Control hOn devices with python",
     long_description=long_description,