diff --git a/toolchain/toolchain-external/Config.in b/toolchain/toolchain-external/Config.in
index ba74f18cd1..ff7e8db97e 100644
--- a/toolchain/toolchain-external/Config.in
+++ b/toolchain/toolchain-external/Config.in
@@ -214,6 +214,7 @@ config BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX
 config BR2_TOOLCHAIN_EXTERNAL_PREFIX
 	string
 	default "arm-none-linux-gnueabi" if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM2009Q1
+	default "arm-none-linux-gnueabi" if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM2009Q3
 	default "arm-none-linux-gnueabi" if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM2010Q1
 	default "arm-none-linux-gnueabi" if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM201009
 	default "arm-none-linux-gnueabi" if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM201103