diff --git a/super0.c b/super0.c
index ae3e885..b141b74 100644
--- a/super0.c
+++ b/super0.c
@@ -491,6 +491,20 @@ static int update_super0(struct supertype *st, struct mdinfo *info,
 			sb->disks[d].state = info->disk.state | wonly;
 			rv = 1;
 		}
+		if (info->reshape_active &&
+		    sb->minor_version > 90 && (sb->reshape_position+1) != 0 &&
+		    info->delta_disks >= 0 &&
+		    info->reshape_progress < sb->reshape_position) {
+			sb->reshape_position = info->reshape_progress;
+			rv = 1;
+		}
+		if (info->reshape_active &&
+		    sb->minor_version > 90 && (sb->reshape_position+1) != 0 &&
+		    info->delta_disks < 0 &&
+		    info->reshape_progress > sb->reshape_position) {
+			sb->reshape_position = info->reshape_progress;
+			rv = 1;
+		}
 	}
 	if (strcmp(update, "linear-grow-new") == 0) {
 		memset(&sb->disks[info->disk.number], 0, sizeof(sb->disks[0]));
diff --git a/super1.c b/super1.c
index 0eb0323..e8f59c6 100644
--- a/super1.c
+++ b/super1.c
@@ -680,6 +680,20 @@ static int update_super1(struct supertype *st, struct mdinfo *info,
 			sb->dev_roles[d] = __cpu_to_le16(want);
 			rv = 1;
 		}
+		if (info->reshape_active &&
+		    sb->feature_map & __le32_to_cpu(MD_FEATURE_RESHAPE_ACTIVE) &&
+		    info->delta_disks >= 0 &&
+		    info->reshape_progress < __le64_to_cpu(sb->reshape_position)) {
+			sb->reshape_position = __cpu_to_le64(info->reshape_progress);
+			rv = 1;
+		}
+		if (info->reshape_active &&
+		    sb->feature_map & __le32_to_cpu(MD_FEATURE_RESHAPE_ACTIVE) &&
+		    info->delta_disks < 0 &&
+		    info->reshape_progress > __le64_to_cpu(sb->reshape_position)) {
+			sb->reshape_position = __cpu_to_le64(info->reshape_progress);
+			rv = 1;
+		}
 	}
 	if (strcmp(update, "linear-grow-new") == 0) {
 		unsigned int i;