diff --git a/swift-package-with-spaces.txt b/swift-package-with-spaces.txt
index deb1f67..a197959 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 {{.*}} '@{{.*}}/.build/{{[^/]+}}/debug/special_tool.build/sources'
 //
 // Verify that the tool exists and works.
 //