diff --git a/src/cryptsetup.c b/src/cryptsetup.c
index a28c1088..cea4d874 100644
--- a/src/cryptsetup.c
+++ b/src/cryptsetup.c
@@ -3113,11 +3113,16 @@ static int action_reencrypt(void)
 			if ((r = crypt_init_data_device(&cd, uuid_or_device(opt_header_device ?: action_argv[0]), action_argv[0])))
 				return r;
 
-			if ((r = crypt_load(cd, CRYPT_LUKS2, NULL))) {
+			if ((r = crypt_load(cd, CRYPT_LUKS, NULL))) {
 				log_err(_("Device %s is not a valid LUKS device."),
 					uuid_or_device(opt_header_device ?: action_argv[0]));
 				goto out;
 			}
+			if (strcmp(crypt_get_type(cd), CRYPT_LUKS2)) {
+				log_err(_("Only LUKS2 format is currently supported. Please use cryptsetup-reencrypt tool for LUKS1."));
+				r = -EINVAL;
+				goto out;
+			}
 		}
 
 		if (crypt_persistent_flags_get(cd, CRYPT_FLAGS_REQUIREMENTS, &flags)) {