diff --git a/src/repart/repart.c b/src/repart/repart.c
index ac6cccbcba..3d1846b7e8 100644
--- a/src/repart/repart.c
+++ b/src/repart/repart.c
@@ -10324,14 +10324,12 @@ static int vl_method_list_candidate_devices(
         int r;
 
         assert(link);
+        assert(FLAGS_SET(flags, SD_VARLINK_METHOD_MORE));
 
         r = sd_varlink_dispatch(link, parameters, dispatch_table, &p);
         if (r != 0)
                 return r;
 
-        if (!FLAGS_SET(flags, SD_VARLINK_METHOD_MORE))
-                return sd_varlink_error(link, SD_VARLINK_ERROR_EXPECTED_MORE, NULL);
-
         BlockDevice *l = NULL;
         size_t n = 0;
         CLEANUP_ARRAY(l, n, block_device_array_free);
diff --git a/src/shared/varlink-io.systemd.Repart.c b/src/shared/varlink-io.systemd.Repart.c
index 35b860db9e..8d50454595 100644
--- a/src/shared/varlink-io.systemd.Repart.c
+++ b/src/shared/varlink-io.systemd.Repart.c
@@ -59,8 +59,9 @@ static SD_VARLINK_DEFINE_METHOD_FULL(
                 SD_VARLINK_FIELD_COMMENT("If used with the 'more' flag, a progress percentrage (specific to the work done for the specified phase+object is sent in progress updates."),
                 SD_VARLINK_DEFINE_OUTPUT(progress, SD_VARLINK_INT, SD_VARLINK_NULLABLE));
 
-static SD_VARLINK_DEFINE_METHOD(
+static SD_VARLINK_DEFINE_METHOD_FULL(
                 ListCandidateDevices,
+                SD_VARLINK_REQUIRES_MORE,
                 SD_VARLINK_FIELD_COMMENT("Control whether to include the root disk of the currently booted OS in the list. Defaults to false, i.e. the root disk is included."),
                 SD_VARLINK_DEFINE_INPUT(ignoreRoot, SD_VARLINK_BOOL, SD_VARLINK_NULLABLE),
                 SD_VARLINK_FIELD_COMMENT("Control whether to include block devices with zero size in the list, i.e. typically block devices without any inserted medium. Defaults to false, i.e. empty block devices are included."),