diff --git a/src/ecdsa/keys.py b/src/ecdsa/keys.py
index 778d5e01..54142160 100644
--- a/src/ecdsa/keys.py
+++ b/src/ecdsa/keys.py
@@ -726,6 +726,11 @@ def from_secret_exponent(cls, secexp, curve=NIST192p, hashfunc=sha1):
         pubkey_point = curve.generator * secexp
         if hasattr(pubkey_point, "scale"):
             pubkey_point = pubkey_point.scale()
+        pubkey_point = ellipticcurve.Point(pubkey_point.curve(),
+                                           pubkey_point.x(),
+                                           pubkey_point.y(),
+                                           curve.generator.order())
+        pubkey_point = ellipticcurve.PointJacobi.from_affine(pubkey_point)
         self.verifying_key = VerifyingKey.from_public_point(pubkey_point, curve,
                                                             hashfunc, False)
         pubkey = self.verifying_key.pubkey