1 files changed, 1 insertions, 0 deletions
diff --git a/src/pubkey.cpp b/src/pubkey.cpp
index 324f681a0a..0b94868d1f 100644
--- a/src/pubkey.cpp
+++ b/src/pubkey.cpp
@@ -365,6 +365,7 @@ void CExtPubKey::DecodeWithVersion(const unsigned char code[BIP32_EXTKEY_WITH_VE
 }
 
 bool CExtPubKey::Derive(CExtPubKey &out, unsigned int _nChild) const {
+    if (nDepth == std::numeric_limits<unsigned char>::max()) return false;
     out.nDepth = nDepth + 1;
     CKeyID id = pubkey.GetID();
     memcpy(out.vchFingerprint, &id, 4);