diff --git a/compiler-rt/test/lit.common.cfg b/compiler-rt/test/lit.common.cfg
index ed7a205a5e0e..7fcb03f04227 100644
--- a/compiler-rt/test/lit.common.cfg
+++ b/compiler-rt/test/lit.common.cfg
@@ -153,7 +153,7 @@ def is_linux_lto_supported():
   if not os.path.exists(os.path.join(config.llvm_shlib_dir, 'LLVMgold.so')):
     return False
 
-  ld_cmd = subprocess.Popen([config.gold_executable, '--help'], stdout = subprocess.PIPE)
+  ld_cmd = subprocess.Popen([config.gold_executable, '--help'], stdout = subprocess.PIPE, env={'LANG': 'C'})
   ld_out = ld_cmd.stdout.read().decode()
   ld_cmd.wait()