diff --git a/fsfwgen/events/event_parser.py b/fsfwgen/events/event_parser.py
index 6b964b7..aad4103 100644
--- a/fsfwgen/events/event_parser.py
+++ b/fsfwgen/events/event_parser.py
@@ -302,21 +302,24 @@ def write_translation_source_file(
 ):
     outputfile = open(filename, "w")
     definitions = ""
-
+    # Look up table to avoid duplicate events
+    lut = dict()
     function = (
         "const char *translateEvents(Event event) {\n  switch ((event & 0xFFFF)) {\n"
     )
     for entry in event_list:
         event_id = entry[0]
         event_value = entry[1]
-        definitions += (
-            f"const char *{event_value[EVENT_ENTRY_NAME_IDX]}_STRING "
-            f'= "{event_value[EVENT_ENTRY_NAME_IDX]}";\n'
-        )
-        function += (
-            f"    case ({event_id}):\n      "
-            f"return {event_value[EVENT_ENTRY_NAME_IDX]}_STRING;\n"
-        )
+        if event_value[EVENT_ENTRY_NAME_IDX] not in lut:
+            definitions += (
+                f"const char *{event_value[EVENT_ENTRY_NAME_IDX]}_STRING "
+                f'= "{event_value[EVENT_ENTRY_NAME_IDX]}";\n'
+            )
+            function += (
+                f"    case ({event_id}):\n      "
+                f"return {event_value[EVENT_ENTRY_NAME_IDX]}_STRING;\n"
+            )
+            lut.update({event_value[EVENT_ENTRY_NAME_IDX] : event_value})
     function += '    default:\n      return "UNKNOWN_EVENT";\n'
     outputfile.write(
         f"/**\n * @brief    Auto-generated event translation file. "