diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5a237a2e1a..6bb280df03 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Ruby JSON serialization #429
 
+### Changed
+
+- Fixed #428 a bug where inline double defintion would make code dom generation fail
+
 ## [0.0.7] - 2021-08-04
 
 ### Added
diff --git a/src/Kiota.Builder/KiotaBuilder.cs b/src/Kiota.Builder/KiotaBuilder.cs
index 19f1b1e642..02c1ccb0ab 100644
--- a/src/Kiota.Builder/KiotaBuilder.cs
+++ b/src/Kiota.Builder/KiotaBuilder.cs
@@ -456,6 +456,8 @@ private CodeProperty CreateProperty(string childIdentifier, string childType, Co
         private static HashSet<string> typeNamesToSkip = new() {"object", "array"};
         private static CodeType GetPrimitiveType(CodeElement parent, OpenApiSchema typeSchema, string childType) {
             var typeNames = new List<string>{typeSchema?.Items?.Type, childType, typeSchema?.Type};
+            if(typeSchema?.AnyOf?.Any() ?? false)
+                typeNames.AddRange(typeSchema.AnyOf.Select(x => x.Type)); // double is sometimes an anyof string, number and enum
             // first value that's not null, and not "object" for primitive collections, the items type matters
             var typeName = typeNames.FirstOrDefault(x => !string.IsNullOrEmpty(x) && !typeNamesToSkip.Contains(x));