diff --git a/packages/tools/installer/config/installer.conf b/packages/tools/installer/config/installer.conf
index 4c12eff9e4..0522b7bd6d 100644
--- a/packages/tools/installer/config/installer.conf
+++ b/packages/tools/installer/config/installer.conf
@@ -15,4 +15,4 @@
   BIOS_FILE=""
 
 # location for BIOS backup (with filename)
-  BIOS_FILE=""
+  BIOS_BACKUP=""