diff --git a/module/zfs/ddt_stats.c b/module/zfs/ddt_stats.c
index 4ef6c3a07..af5365a1d 100644
--- a/module/zfs/ddt_stats.c
+++ b/module/zfs/ddt_stats.c
@@ -132,6 +132,9 @@ ddt_get_dedup_object_stats(spa_t *spa, ddt_object_t *ddo_total)
 	/* Sum the statistics we cached in ddt_object_sync(). */
 	for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
 		ddt_t *ddt = spa->spa_ddt[c];
+		if (!ddt)
+			continue;
+
 		for (ddt_type_t type = 0; type < DDT_TYPES; type++) {
 			for (ddt_class_t class = 0; class < DDT_CLASSES;
 			    class++) {
@@ -156,7 +159,10 @@ ddt_get_dedup_histogram(spa_t *spa, ddt_histogram_t *ddh)
 {
 	for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
 		ddt_t *ddt = spa->spa_ddt[c];
-		for (ddt_type_t type = 0; type < DDT_TYPES && ddt; type++) {
+		if (!ddt)
+			continue;
+
+		for (ddt_type_t type = 0; type < DDT_TYPES; type++) {
 			for (ddt_class_t class = 0; class < DDT_CLASSES;
 			    class++) {
 				ddt_histogram_add(ddh,