diff --git a/basis/alien/libraries/libraries-tests.factor b/basis/alien/libraries/libraries-tests.factor
index 66793bf745..86a903adfe 100755
--- a/basis/alien/libraries/libraries-tests.factor
+++ b/basis/alien/libraries/libraries-tests.factor
@@ -33,5 +33,5 @@ IN: alien.libraries.tests
 
 ! dlsym?
 { t } [
-    "errno" "libc" dlsym? alien?
+    "err_no" "factor" dlsym? alien?
 ] unit-test