diff --git a/br-ext-chip-grainmedia/configs/unknown_unknown_gm8136_openipc_defconfig b/br-ext-chip-grainmedia/configs/unknown_unknown_gm8136_openipc_defconfig
index 345af2e3..7459d2ca 100644
--- a/br-ext-chip-grainmedia/configs/unknown_unknown_gm8136_openipc_defconfig
+++ b/br-ext-chip-grainmedia/configs/unknown_unknown_gm8136_openipc_defconfig
@@ -1,7 +1,6 @@
 # Architecture
 BR2_arm=y
-BR2_cortex_a5=y
-BR2_ARM_INSTRUCTIONS_THUMB2=y
+BR2_arm926t=y
 BR2_KERNEL_HEADERS_VERSION=y
 BR2_DEFAULT_KERNEL_VERSION="3.3"
 BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_3_3=y