diff --git a/tests/misc/tmemlinesBuf.nim b/tests/misc/tmemlinesBuf.nim
index 12160cbf91..21edc23223 100644
--- a/tests/misc/tmemlinesBuf.nim
+++ b/tests/misc/tmemlinesBuf.nim
@@ -1,6 +1,6 @@
 import memfiles
 var inp = memfiles.open("readme.txt")
 var buffer: TaintedString = ""
-for line in lines(, buffer):
+for line in lines(inp, buffer):
   echo("#" & line & "#")
 close(inp)