diff --git a/core/activitypub/actor.js b/core/activitypub/actor.js
index 30af36f5..f098ed0f 100644
--- a/core/activitypub/actor.js
+++ b/core/activitypub/actor.js
@@ -93,7 +93,7 @@ module.exports = class Actor {
             // ],
         };
 
-        const publicKeyPem = user.getProperty(UserProps.PublicKeyMain);
+        const publicKeyPem = user.getProperty(UserProps.PublicActivityPubSigningKey);
         if (!_.isEmpty(publicKeyPem)) {
             obj.publicKey = {
                 id: userSelfUrl + '#main-key',
@@ -102,13 +102,13 @@ module.exports = class Actor {
             };
 
             EnigAssert(
-                !_.isEmpty(user.getProperty(UserProps.PrivateKeyMain)),
+                !_.isEmpty(user.getProperty(UserProps.PrivateActivityPubSigningKey)),
                 'User has public key but no private key!'
             );
         } else {
             Log.warn(
                 { username: user.username },
-                `No public key (${UserProps.PublicKeyMain}) for user "${user.username}"`
+                `No public key (${UserProps.PublicActivityPubSigningKey}) for user "${user.username}"`
             );
         }
 
@@ -412,7 +412,7 @@ module.exports = class Actor {
     //             ActorProps.Summary,
     //             ActorProps.IconUrl,
     //             ActorProps.BannerUrl,
-    //             ActorProps.PublicKeyMain,
+    //             ActorProps.PublicActivityPubSigningKey,
     //         ];
     //     }
 
diff --git a/core/activitypub_actor_property.js b/core/activitypub_actor_property.js
index 91df8a29..cc866c07 100644
--- a/core/activitypub_actor_property.js
+++ b/core/activitypub_actor_property.js
@@ -14,7 +14,7 @@ exports.ActorProps = {
     Summary: 'summary',
     IconUrl: 'icon_url',
     BannerUrl: 'banner_url',
-    PublicKeyMain: 'public_key_main_rsa_pem', // RSA public key for user
+    PublicActivityPubSigningKey: 'public_key_activitypub_sign_rsa_pem', // RSA public key for user
 };
 
 exports.AllActorProperties = Object.values(exports.ActorProps);
diff --git a/core/user.js b/core/user.js
index 6a69eca4..bacc18b7 100644
--- a/core/user.js
+++ b/core/user.js
@@ -504,7 +504,7 @@ module.exports = class User {
                     );
                 },
                 function setKeyPair(trans, callback) {
-                    self.updateMainKeyPairProperties(err => {
+                    self.updateActivityPubKeyPairProperties(err => {
                         return callback(err, trans);
                     });
                 },
@@ -643,7 +643,7 @@ module.exports = class User {
         );
     }
 
-    updateMainKeyPairProperties(cb) {
+    updateActivityPubKeyPairProperties(cb) {
         crypto.generateKeyPair(
             'rsa',
             {
@@ -659,8 +659,8 @@ module.exports = class User {
             },
             (err, publicKey, privateKey) => {
                 if (!err) {
-                    this.setProperty(UserProps.PrivateKeyMain, privateKey);
-                    this.setProperty(UserProps.PublicKeyMain, publicKey);
+                    this.setProperty(UserProps.PrivateActivityPubSigningKey, privateKey);
+                    this.setProperty(UserProps.PublicActivityPubSigningKey, publicKey);
                 }
                 return cb(err);
             }
diff --git a/core/user_property.js b/core/user_property.js
index 82fa6b3b..0cef0fd5 100644
--- a/core/user_property.js
+++ b/core/user_property.js
@@ -67,8 +67,8 @@ module.exports = {
     AuthFactor2OTPSecret: 'auth_factor2_otp_secret', //  Secret used in conjunction with OTP 2FA
     AuthFactor2OTPBackupCodes: 'auth_factor2_otp_backup', //  JSON array of backup codes
 
-    PublicKeyMain: 'public_key_main_rsa_pem', // RSA public key for user
-    PrivateKeyMain: 'private_key_main_rsa_pem', // RSA private key (corresponding to PublicKeyMain)
+    PublicActivityPubSigningKey: 'public_key_activitypub_sign_rsa_pem', // RSA public key for ActivityPub signing
+    PrivateActivityPubSigningKey: 'private_key_activitypub_sign_rsa_pem', // RSA private key (corresponding to PublicActivityPubSigningKey)
 
     ActivityPubSettings: 'activity_pub_settings', //   JSON object (above); see ActivityPubSettings in activitypub/settings.js
 };