diff --git a/basicswap/interface/base.py b/basicswap/interface/base.py
index 9a8e0f2..295e9d7 100644
--- a/basicswap/interface/base.py
+++ b/basicswap/interface/base.py
@@ -222,8 +222,7 @@ class Secp256k1Interface(CoinInterface, AdaptorSigInterface):
 
     def isValidPubkey(self, pubkey: bytes) -> bool:
         try:
-            self.verifyPubkey(pubkey)
-            return True
+            return self.verifyPubkey(pubkey)
         except Exception:
             return False