diff --git a/construct-stubs/core.pyi b/construct-stubs/core.pyi
index 7e6dfd1..32b4b77 100644
--- a/construct-stubs/core.pyi
+++ b/construct-stubs/core.pyi
@@ -767,23 +767,23 @@ ThenBuildTypes = t.TypeVar("ThenBuildTypes")
 ElseParsedType = t.TypeVar("ElseParsedType")
 ElseBuildTypes = t.TypeVar("ElseBuildTypes")
 
-# This does not represent the original code, but it is the only solution that works good with pyright
-class _IfThenElse(Construct[ParsedType, BuildTypes]):
+class IfThenElse(Construct[ParsedType, BuildTypes]):
     condfunc: ConstantOrContextLambda[bool]
     thensubcon: Construct[ParsedType, BuildTypes]
     elsesubcon: Construct[ParsedType, BuildTypes]
+    def __new__(
+        cls,
+        condfunc: ConstantOrContextLambda[bool],
+        thensubcon: Construct[ThenParsedType, ThenBuildTypes],
+        elsesubcon: Construct[ElseParsedType, ElseBuildTypes],
+    ) -> IfThenElse[
+        t.Union[ThenParsedType, ElseParsedType], t.Union[ThenBuildTypes, ElseBuildTypes]
+    ]: ...
 
-def IfThenElse(
-    condfunc: ConstantOrContextLambda[bool],
-    thensubcon: Construct[ThenParsedType, ThenBuildTypes],
-    elsesubcon: Construct[ElseParsedType, ElseBuildTypes],
-) -> _IfThenElse[
-    t.Union[ThenParsedType, ElseParsedType], t.Union[ThenBuildTypes, ElseBuildTypes]
-]: ...
 def If(
     condfunc: ConstantOrContextLambda[bool],
     subcon: Construct[ThenParsedType, ThenBuildTypes],
-) -> _IfThenElse[t.Union[ThenParsedType, None], t.Union[ThenBuildTypes, None]]: ...
+) -> IfThenElse[t.Union[ThenParsedType, None], t.Union[ThenBuildTypes, None]]: ...
 
 SwitchType = t.TypeVar("SwitchType")