diff --git a/llvm/test/tools/llvm-tapi-diff/tapi-diff-misspelled-tbd.test b/llvm/test/tools/llvm-tapi-diff/tapi-diff-misspelled-tbd.test
--- a/llvm/test/tools/llvm-tapi-diff/tapi-diff-misspelled-tbd.test
+++ b/llvm/test/tools/llvm-tapi-diff/tapi-diff-misspelled-tbd.test
@@ -1,5 +1,5 @@
-; RUN: not llvm-tapi-diff %S/Inputs/v4A.tbd %S/Inputs/v4.tbd 2>&1 | FileCheck %s
+; RUN: not llvm-tapi-diff %S/Inputs/v4A.tbd %S/Inputs/v4.tbd 2>&1 | FileCheck %s -DMSG=%errc_ENOENT
 
-; CHECK: {{.*}}: error: {{.*}}v4.tbd: {{[Nn]}}o such file or directory
+; CHECK: {{.*}}: error: {{.*}}v4.tbd: [[MSG]]
 ; CHECK-NOT: error:
 ; CHECK-NOT: warning: