diff --git a/tests/dlfcn_test.cpp b/tests/dlfcn_test.cpp
index 5f48e67..176a6f8 100644
--- a/tests/dlfcn_test.cpp
+++ b/tests/dlfcn_test.cpp
@@ -1086,7 +1086,7 @@
   dlerror(); // Clear any pending errors.
   void* handle = dlopen("libelf-tls-library.so", RTLD_NOW);
   ASSERT_TRUE(handle == nullptr);
-  ASSERT_SUBSTR("unsupported ELF TLS", dlerror());
+  ASSERT_SUBSTR("unknown reloc type ", dlerror());
 }
 
 TEST(dlfcn, dlopen_bad_flags) {