diff --git a/pdns/ipcipher.hh b/pdns/ipcipher.hh
index 64037de21265..ce944e662230 100644
--- a/pdns/ipcipher.hh
+++ b/pdns/ipcipher.hh
@@ -7,7 +7,7 @@
 // see https://powerdns.org/ipcipher
 
 #ifdef HAVE_IPCIPHER
-ComboAddress encryptCA(const ComboAddress& ca, const std::string& key);
-ComboAddress decryptCA(const ComboAddress& ca, const std::string& key);
+ComboAddress encryptCA(const ComboAddress& address, const std::string& key);
+ComboAddress decryptCA(const ComboAddress& address, const std::string& key);
 std::string makeIPCipherKey(const std::string& password);
 #endif /* HAVE_IPCIPHER */