diff --git a/test/diagnostics/pretty-printed-diagnostics.swift b/test/diagnostics/pretty-printed-diagnostics.swift
index 56373bd5ee36e..514a33eb61c2f 100644
--- a/test/diagnostics/pretty-printed-diagnostics.swift
+++ b/test/diagnostics/pretty-printed-diagnostics.swift
@@ -1,4 +1,4 @@
-// RUN: not %target-swift-frontend -diagnostic-style=swift -typecheck %s 2>&1 | %FileCheck %s
+// RUN: not %target-swift-frontend -diagnostic-style=swift -typecheck %/s 2>&1 | %FileCheck %s
 
 1 + 2
 
diff --git a/test/diagnostics/pretty-printed-source-loc-directive-diags.swift b/test/diagnostics/pretty-printed-source-loc-directive-diags.swift
index e26b5c77524e3..049d85ca16176 100644
--- a/test/diagnostics/pretty-printed-source-loc-directive-diags.swift
+++ b/test/diagnostics/pretty-printed-source-loc-directive-diags.swift
@@ -1,4 +1,4 @@
-// RUN: not %target-swift-frontend -diagnostic-style=swift -typecheck %s 2>&1 | %FileCheck %s
+// RUN: not %target-swift-frontend -diagnostic-style=swift -typecheck %/s 2>&1 | %FileCheck %s
 
 // Error split between the real file and a virtual one.
 #sourceLocation(file: "abc.swift", line: 9)