diff --git a/lib/system/excpt.nim b/lib/system/excpt.nim
index 7937d9738e..45ad42a606 100644
--- a/lib/system/excpt.nim
+++ b/lib/system/excpt.nim
@@ -18,7 +18,7 @@ template stackTraceNL: expr =
   (if IsNil(stackTraceNewLine): "\n" else: stackTraceNewLine)
 
 when not defined(windows) or not defined(guiapp):
-  proc writeToStdErr(msg: CString) = write(stdout, msg)
+  proc writeToStdErr(msg: CString) = write(stdmsg, msg)
 
 else:
   proc MessageBoxA(hWnd: cint, lpText, lpCaption: cstring, uType: int): int32 {.