diff --git a/hw/application_fpga/fw/tk1/storage.c b/hw/application_fpga/fw/tk1/storage.c
index 16f6d93..b1be7b9 100644
--- a/hw/application_fpga/fw/tk1/storage.c
+++ b/hw/application_fpga/fw/tk1/storage.c
@@ -197,7 +197,7 @@ int storage_erase_sector(struct partition_table *part_table, uint32_t offset,
 		return -1;
 	}
 
-	if ((offset + size) >= SIZE_STORAGE_AREA) {
+	if ((offset + size) > SIZE_STORAGE_AREA) {
 		return -1;
 	}