diff --git a/python/kaspa.pyi b/python/kaspa.pyi
index e96ae7b6f..48385f34e 100644
--- a/python/kaspa.pyi
+++ b/python/kaspa.pyi
@@ -917,7 +917,7 @@ class XPrv:
 
     def to_xpub(self) -> XPub: ...
 
-    def to_private_key(self) -> XPub: ...
+    def to_private_key(self) -> PrivateKey: ...
 
     @property
     def xprv(self) -> str: ...