diff --git a/src/tl/unit_tests/tlIncludeTests.cc b/src/tl/unit_tests/tlIncludeTests.cc
index cad6fc58e..efa6e8f04 100644
--- a/src/tl/unit_tests/tlIncludeTests.cc
+++ b/src/tl/unit_tests/tlIncludeTests.cc
@@ -28,8 +28,8 @@
 
 static std::string np (const std::string &s)
 {
-  return tl::replaced (s, "\\\\", "/");
-  return tl::replaced (s, "\\", "/");
+  std::string t = tl::replaced (s, "\\\\", "/");
+  return tl::replaced (t, "\\", "/");
 }
 
 TEST(1_simple)