--- dm.c
+++ dm.c
@@ -484,7 +484,10 @@
 		ioc = alloca(sizeof(*ioc));
 	}
 
-	if ((umoven(tcp, arg, offsetof(struct dm_ioctl, data), ioc) < 0) ||
+	if (
+#if DM_VERSION_MINOR > 10
+	(umoven(tcp, arg, offsetof(struct dm_ioctl, data), ioc) < 0) ||
+#endif
 	    (ioc->data_size < offsetof(struct dm_ioctl, data_size))) {
 		if (entering(tcp))
 			free(ioc);
@@ -531,10 +534,12 @@
 
 	PRINT_FIELD_U(", ", *ioc, data_size);
 
+#if DM_VERSION_MINOR > 10
 	if (ioc->data_size < offsetof(struct dm_ioctl, data)) {
 		tprints_comment("data_size too small");
 		goto skip;
 	}
+#endif
 
 	if (dm_ioctl_has_params(code))
 		PRINT_FIELD_U(", ", *ioc, data_start);