diff --git a/apps/debug_menu.c b/apps/debug_menu.c
index 62750a716a..0c4cc386aa 100644
--- a/apps/debug_menu.c
+++ b/apps/debug_menu.c
@@ -1445,7 +1445,7 @@ static int disk_callback(int btn, struct gui_synclist *lists)
     if ((identify_info[106] & 0xd000) == 0x5000) /* B14, B12 */
         sector_size = (identify_info[117] | (identify_info[118] << 16)) * 2;
     else
-        sector_size = SECTOR_SIZE;
+        sector_size = 512;
 
     total_sectors *= sector_size;   /* Convert to bytes */
     total_sectors /= (1024 * 1024); /* Convert to MB */
diff --git a/firmware/drivers/ata.c b/firmware/drivers/ata.c
index b688da494e..f73e4c7d5b 100644
--- a/firmware/drivers/ata.c
+++ b/firmware/drivers/ata.c
@@ -1116,7 +1116,7 @@ int STORAGE_INIT_ATTR ata_init(void)
         if ((identify_info[106] & 0xd000) == 0x5000) /* B14, B12 */
             log_sector_size = (identify_info[117] | (identify_info[118] << 16)) * 2;
         else
-            log_sector_size = SECTOR_SIZE;
+            log_sector_size = 512;
 
         rc = freeze_lock();
         if (rc) {
diff --git a/firmware/target/arm/s5l8702/ipod6g/storage_ata-6g.c b/firmware/target/arm/s5l8702/ipod6g/storage_ata-6g.c
index 3bde5647ba..4fc6489d48 100644
--- a/firmware/target/arm/s5l8702/ipod6g/storage_ata-6g.c
+++ b/firmware/target/arm/s5l8702/ipod6g/storage_ata-6g.c
@@ -1154,7 +1154,7 @@ int ata_init(void)
     if ((identify_info[106] & 0xd000) == 0x5000) /* B14, B12 */
         log_sector_size = (identify_info[117] | (identify_info[118] << 16)) * 2;
     else
-        log_sector_size = SECTOR_SIZE;
+        log_sector_size = 512;
 
 #ifdef MAX_PHYS_SECTOR_SIZE
     rc = ata_get_phys_sector_mult();