diff --git a/swift-package-with-spaces.txt b/swift-package-with-spaces.txt
index 16c2d50..deb1f67 100644
--- a/swift-package-with-spaces.txt
+++ b/swift-package-with-spaces.txt
@@ -13,7 +13,7 @@
 //
 // RUN: %{FileCheck} --check-prefix CHECK-BUILD-LOG --input-file %t.build-log %s
 //
-// CHECK-BUILD-LOG: swiftc{{.*}} -module-name special_tool {{.*}} "{{.*}}/more spaces/special tool/some file.swift"
+// CHECK-BUILD-LOG: swiftc{{.*}} -module-name special_tool {{.*}} '{{.*}}/more spaces/special tool/some file.swift'
 //
 // Verify that the tool exists and works.
 //