diff --git a/tests/test_output_stream.nim b/tests/test_output_stream.nim
index 3d1bd36..6495bc8 100644
--- a/tests/test_output_stream.nim
+++ b/tests/test_output_stream.nim
@@ -1,6 +1,6 @@
 import
   os, unittest,
-  ranges/ptr_arith,
+  stew/ranges/ptr_arith,
   ../faststreams
 
 proc bytes(s: string): seq[byte] =