diff --git a/app/platform/flash_api.h b/app/platform/flash_api.h
index 038553a2..47c0d4fb 100644
--- a/app/platform/flash_api.h
+++ b/app/platform/flash_api.h
@@ -30,8 +30,8 @@
 
 typedef struct
 {
-    uint8_t unknown0;
-    uint8_t unknown1;
+    uint8_t e9;
+    uint8_t segments;
     enum
     {
         MODE_QIO = 0,