diff --git a/CHANGELOG.md b/CHANGELOG.md
index ef7bfc1..28d8219 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ All notable changes to this project will be documented in this file.
 ### Removed
 
 ### Fixed
+- Fix emInput from parent_em to controlling_em [#333](https://github.com/ie3-institute/pypsdm/issues/333)
 
 
 ## 0.0.6
diff --git a/pypsdm/models/input/create/participants.py b/pypsdm/models/input/create/participants.py
index 66eebe3..84304f0 100644
--- a/pypsdm/models/input/create/participants.py
+++ b/pypsdm/models/input/create/participants.py
@@ -351,7 +351,7 @@ def create_loads(data_dict):
 def create_energy_management_systems_data(
     id,
     control_strategy,
-    parent_em=None,
+    controlling_em=None,
     q_characteristics=None,
     uuid=None,
     operates_from=None,
@@ -366,7 +366,7 @@ def create_energy_management_systems_data(
         {
             "id": id,
             "control_strategy": control_strategy,
-            "parent_em": parent_em,
+            "controlling_em": controlling_em,
             "q_characteristics": q_characteristics,
             "operates_from": operates_from,
             "operates_until": operates_until,
diff --git a/pypsdm/models/input/participant/em.py b/pypsdm/models/input/participant/em.py
index 52ef25b..fc9a359 100644
--- a/pypsdm/models/input/participant/em.py
+++ b/pypsdm/models/input/participant/em.py
@@ -21,12 +21,12 @@ def control_strategy(self) -> Series:
         return self.data["control_strategy"]
 
     @property
-    def parent_em(self) -> Series:
-        return self.data["parent_em"]
+    def controlling_em(self) -> Series:
+        return self.data["controlling_em"]
 
     @staticmethod
     def attributes() -> list[str]:
         return Entities.attributes() + [
             "control_strategy",
-            "parent_em",
+            "controlling_em",
         ]
diff --git a/tests/resources/simple_grid/input/em_input.csv b/tests/resources/simple_grid/input/em_input.csv
index 6776411..ffc7930 100644
--- a/tests/resources/simple_grid/input/em_input.csv
+++ b/tests/resources/simple_grid/input/em_input.csv
@@ -1,4 +1,4 @@
-uuid,id,parent_em,control_strategy,operates_from,operates_until,operator
+uuid,id,controlling_em,control_strategy,operates_from,operates_until,operator
 db1a151e-8e52-4b4d-8600-0fcd827d3e77,EMS_NS_02,,PRIORITIZED,,,
 d9571711-9cf7-4bad-bc15-c1879841892f,EMS_NS_03,,PRIORITIZED,,,
 e4c3c9a7-6c4e-4908-b537-3247f59eff1c,EMS_NS_04,,PRIORITIZED,,,
diff --git a/tests/resources/vn_simona/input/em_input.csv b/tests/resources/vn_simona/input/em_input.csv
index fc67989..08c5f4b 100644
--- a/tests/resources/vn_simona/input/em_input.csv
+++ b/tests/resources/vn_simona/input/em_input.csv
@@ -1,2 +1,2 @@
-uuid,control_strategy,id,parent_em,operates_from,operates_until,operator
+uuid,control_strategy,id,controlling_em,operates_from,operates_until,operator
 6fc12c35-f118-4c33-aecf-9f77e7639939,PRIORITIZED,test_em_1,,,,