diff --git a/target/linux/generic/files-5.4/drivers/mtd/nmbm/nmbm-core.c b/target/linux/generic/files-5.4/drivers/mtd/nmbm/nmbm-core.c
index 18dfb6a..b80ea42 100644
--- a/target/linux/generic/files-5.4/drivers/mtd/nmbm/nmbm-core.c
+++ b/target/linux/generic/files-5.4/drivers/mtd/nmbm/nmbm-core.c
@@ -2189,7 +2189,7 @@
 		return false;
 	}
 
-	if (!nld->oobsize || !is_power_of_2(nld->oobsize)) {
+	if (!nld->oobsize) {
 		nmbm_log_lower(nld, NMBM_LOG_ERR,
 			       "Page spare size %u is not valid\n", nld->oobsize);
 		return false;