diff --git a/src/build/toolchain/linux/BUILD.gn b/src/build/toolchain/linux/BUILD.gn
index a73b279c1a..2e7913a4fa 100644
--- a/src/build/toolchain/linux/BUILD.gn
+++ b/src/build/toolchain/linux/BUILD.gn
@@ -21,6 +21,16 @@ clang_toolchain("clang_arm") {
   }
 }
 
+clang_toolchain("clang_arm_openwrt") {
+  extra_cppflags = "--target=arm-openwrt-linux-muslgnueabi -D_LIBCPP_HAS_MUSL_LIBC -D__UCLIBC__"
+  extra_ldflags = "--target=arm-openwrt-linux-muslgnueabi"
+  extra_asmflags = "--target=arm-openwrt-linux-muslgnueabi"
+  toolchain_args = {
+    current_cpu = "arm"
+    current_os = "linux"
+  }
+}
+
 clang_toolchain("clang_arm64") {
   toolprefix = "aarch64-linux-gnu-"
   toolchain_args = {
@@ -32,7 +42,7 @@ clang_toolchain("clang_arm64") {
 clang_toolchain("clang_arm64_openwrt") {
   extra_cppflags = "--target=aarch64-openwrt-linux-musl -D_LIBCPP_HAS_MUSL_LIBC -D__UCLIBC__"
   extra_ldflags = "--target=aarch64-openwrt-linux-musl"
-  toolprefix = "aarch64-linux-gnu-"
+  extra_asmflags = "--target=aarch64-openwrt-linux-musl"
   toolchain_args = {
     current_cpu = "arm64"
     current_os = "linux"