diff --git a/secp256k1.nim b/secp256k1.nim
index 00f630c..b9477af 100644
--- a/secp256k1.nim
+++ b/secp256k1.nim
@@ -559,6 +559,7 @@ proc default*(T: type SkPublicKey): T {.error: "loophole".}
 proc default*(T: type SkSecretKey): T {.error: "loophole".}
 proc default*(T: type SkSignature): T {.error: "loophole".}
 proc default*(T: type SkRecoverableSignature): T {.error: "loophole".}
+proc default*(T: type SkSchnorrSignature): T {.error: "loophole".}
 proc default*(T: type SkEcdhSecret): T {.error: "loophole".}
 proc default*(T: type SkEcdhRawSecret): T {.error: "loophole".}