diff --git a/llvm/test/MC/LoongArch/Relocations/reloc-directive-err.s b/llvm/test/MC/LoongArch/Relocations/reloc-directive-err.s
--- a/llvm/test/MC/LoongArch/Relocations/reloc-directive-err.s
+++ b/llvm/test/MC/LoongArch/Relocations/reloc-directive-err.s
@@ -1,5 +1,6 @@
 # RUN: llvm-mc --triple=loongarch64 %s |& FileCheck --check-prefix=PRINT %s
-# RUN: not llvm-mc --filetype=obj --triple=loongarch64 %s -o /dev/null |& FileCheck %s
+# RUN: not llvm-mc --filetype=obj --triple=loongarch64 %s -o /dev/null 2>&1 \
+# RUN:			| FileCheck %s
 
 # PRINT: .reloc 0, R_INVALID, 0
 # CHECK: {{.*}}.s:[[# @LINE+1]]:11: error: unknown relocation name