diff --git a/target/device/x86/i386/Makefile.in b/target/device/x86/i386/Makefile.in
index 5711c38e7a..0e6ab61483 100644
--- a/target/device/x86/i386/Makefile.in
+++ b/target/device/x86/i386/Makefile.in
@@ -3,5 +3,6 @@ BR2_BOARD_PATH:=target/device/x86/i386
 ifndef LINUX26_KCONFIG
 LINUX26_KCONFIG=$(BR2_BOARD_PATH)/linux26.config
 endif
+LINUX26_FORMAT=bzImage
 
 TARGETS+=linux26