diff --git a/llvm/test/FileCheck/envvar-opts.txt b/llvm/test/FileCheck/envvar-opts.txt
index bc52d88e0ab39de7e27ffb57401b834e7ef2acbd..b25ecb89a318123a62561ffc541127470437ba3f 100644
--- a/llvm/test/FileCheck/envvar-opts.txt
+++ b/llvm/test/FileCheck/envvar-opts.txt
@@ -3,11 +3,11 @@
 ; CHECK: foo
 ; CHECK: bar
 
-; RUN: FILECHECK_OPTS= \
+; RUN: env FILECHECK_OPTS= \
 ; RUN: not FileCheck %s -input-file %t.in 2>&1 \
 ; RUN: | FileCheck -check-prefix QUIET %s
 
-; RUN: FILECHECK_OPTS=-v \
+; RUN: env FILECHECK_OPTS=-v \
 ; RUN: not FileCheck %s -input-file %t.in 2>&1 \
 ; RUN: | FileCheck -check-prefix VERB %s