diff --git a/cmd/migrate.go b/cmd/migrate.go
index 4984f56..826654d 100644
--- a/cmd/migrate.go
+++ b/cmd/migrate.go
@@ -138,13 +138,6 @@ func MigrateJail(args []string) {
 			}
 			fmt.Printf("Done\n")
 			
-			// FIXME : config DS sync fails with :
-			/* cannot receive incremental stream: destination qstore/iocage/jails/kibana has been modified
-			 * since most recent snapshot
-			 */
-			// It needs a "zfs rollback destconf@gocage_mig_init" to be able to sync.
-			// UPDATE 06/06/2022 : Should be fixed using "-Fu" zfs recv flag
-			
 			fmt.Printf("Synchronize jail config to %s: ", dsconfdest)
 			if err := zfsCopyIncremental(fmt.Sprintf("%s@gocage_mig_init", dsconf), 
 										fmt.Sprintf("%s@gocage_mig_last_sync", dsconf),  
diff --git a/cmd/utils.go b/cmd/utils.go
index d5e20ff..c7cd12a 100644
--- a/cmd/utils.go
+++ b/cmd/utils.go
@@ -285,6 +285,8 @@ func zfsCopyIncremental(firstsnap string, secondsnap string, dest string) error
 	}
 	
 	// then declare receiving process & pipe
+	/* "-Fu" flags to avoid "cannot receive incremental stream: destination qstore/iocage/jails/kibana has been modified
+	* since most recent snapshot" error message */			
 	cmd_recv := exec.Command("zfs", "receive", "-Fu", dest)
 	stdin_recv, err := cmd_recv.StdinPipe()
 	if err != nil {