diff --git a/src/ifcopenshell-python/ifcopenshell/util/entity_to_type_map_4.json b/src/ifcopenshell-python/ifcopenshell/util/entity_to_type_map_4.json
index 6321d3df56..2306d00ec3 100644
--- a/src/ifcopenshell-python/ifcopenshell/util/entity_to_type_map_4.json
+++ b/src/ifcopenshell-python/ifcopenshell/util/entity_to_type_map_4.json
@@ -279,7 +279,7 @@
         "IFCTENDONANCHORTYPE"
     ],
     "IfcTransformer": [
-        "IFCTRANFORMERTYPE"
+        "IFCTRANSFORMERTYPE"
     ],
     "IfcTransportElement": [
         "IFCTRANSPORTELEMENTTYPE"
@@ -338,4 +338,4 @@
     "IfcWindowStandardCase": [
         "IFCWINDOWTYPE"
     ]
-}
\ No newline at end of file
+}