diff --git a/base/stream.jl b/base/stream.jl
index 33f161cd8cb7b..bc06b8126b805 100644
--- a/base/stream.jl
+++ b/base/stream.jl
@@ -932,7 +932,7 @@ function readbytes!(s::LibuvStream, a::Vector{UInt8}, nb = length(a))
         finally
             s.buffer = sbuf
             if !isempty(s.readnotify.waitq)
-                start_reading(x) # resume reading iff there are currently other read clients of the stream
+                start_reading(s) # resume reading iff there are currently other read clients of the stream
             end
         end
     end