diff --git a/src/import/importctl.c b/src/import/importctl.c
index 3334f37b94..30566a1917 100644
--- a/src/import/importctl.c
+++ b/src/import/importctl.c
@@ -912,6 +912,11 @@ static int list_images(int argc, char *argv[], void *userdata) {
         (void) table_hide_column_from_display(t, 8);
         (void) table_hide_column_from_display(t, 10);
 
+        /* Starting in v257, these fields would be automatically formatted with underscores. However, this
+         * command was introduced in v256, so changing the field name would be a breaking change. */
+        (void) table_set_json_field_name(t, 8, "usage-exclusive");
+        (void) table_set_json_field_name(t, 10, "limit-exclusive");
+
         for (;;) {
                 uint64_t crtime, mtime, usage, usage_exclusive, limit, limit_exclusive;
                 const char *class, *name, *type, *path;
diff --git a/src/partition/repart.c b/src/partition/repart.c
index 0509364063..0ad8fad150 100644
--- a/src/partition/repart.c
+++ b/src/partition/repart.c
@@ -3043,6 +3043,10 @@ static int context_dump_partitions(Context *context) {
         if (!t)
                 return log_oom();
 
+        /* Starting in v257, these fields would be automatically formatted with underscores. This would have
+         * been a breaking change, so to avoid that let's hard-code their original names. */
+        table_set_json_field_name(t, 15, "drop-in_files");
+
         if (!DEBUG_LOGGING) {
                 if (arg_json_format_flags & SD_JSON_FORMAT_OFF)
                         (void) table_set_display(t, (size_t) 0, (size_t) 1, (size_t) 2, (size_t) 3, (size_t) 4,
diff --git a/src/sysupdate/sysupdate.c b/src/sysupdate/sysupdate.c
index 3fcb2839d0..aded7dde0b 100644
--- a/src/sysupdate/sysupdate.c
+++ b/src/sysupdate/sysupdate.c
@@ -470,6 +470,11 @@ static int context_show_version(Context *c, const char *version) {
         (void) table_set_align_percent(t, table_get_cell(t, 0, 8), 100);
         table_set_ersatz_string(t, TABLE_ERSATZ_DASH);
 
+        /* Starting in v257, these fields would be automatically formatted with underscores. This would have
+         * been a breaking change, so to avoid that let's hard-code their original names. */
+        (void) table_set_json_field_name(t, 7, "tries-done");
+        (void) table_set_json_field_name(t, 8, "tries-left");
+
         /* Determine if the target will make use of partition/fs attributes for any of the transfers */
         FOREACH_ARRAY(transfer, c->transfers, c->n_transfers) {
                 Transfer *tr = *transfer;