diff --git a/src/lib-storage/index/imapc/imapc-storage.c b/src/lib-storage/index/imapc/imapc-storage.c
index 9dceb6147b..9805d8516d 100644
--- a/src/lib-storage/index/imapc/imapc-storage.c
+++ b/src/lib-storage/index/imapc/imapc-storage.c
@@ -230,7 +230,7 @@ imapc_storage_client_login_callback(const struct imapc_command_reply *reply,
 	}
 
 	client->auth_failed_state = reply->state;
-	client->auth_error = i_strdup(reply->text_full);
+	client->auth_failed_reason = i_strdup(reply->text_full);
 
 	if (client->_storage != NULL) {
 		if (reply->state == IMAPC_COMMAND_STATE_DISCONNECTED)
@@ -268,7 +268,7 @@ static void imapc_storage_client_login(struct imapc_storage_client *client,
 		if (imapc_storage_client_handle_auth_failure(client)) {
 			user->error = p_strdup_printf(user->pool,
 				"imapc: Login to %s failed: %s",
-				host, client->auth_error);
+				host, client->auth_failed_reason);
 		}
 	}
 }
@@ -368,7 +368,7 @@ void imapc_storage_client_unref(struct imapc_storage_client **_client)
 	array_foreach_modifiable(&client->untagged_callbacks, cb)
 		i_free(cb->name);
 	array_free(&client->untagged_callbacks);
-	i_free(client->auth_error);
+	i_free(client->auth_failed_reason);
 	i_free(client);
 }
 
diff --git a/src/lib-storage/index/imapc/imapc-storage.h b/src/lib-storage/index/imapc/imapc-storage.h
index 5ce748aef2..85f4029c23 100644
--- a/src/lib-storage/index/imapc/imapc-storage.h
+++ b/src/lib-storage/index/imapc/imapc-storage.h
@@ -55,7 +55,7 @@ struct imapc_storage_client {
 	/* IMAPC_COMMAND_STATE_OK if no auth failure (yet), otherwise result to
 	   the LOGIN/AUTHENTICATE command. */
 	enum imapc_command_state auth_failed_state;
-	char *auth_error;
+	char *auth_failed_reason;
 
 	/* Authentication reply was received (success or failure) */
 	bool auth_returned:1;