diff --git a/tests/process/spawn/stream.luau b/tests/process/spawn/stream.luau
index 7edd9e9..bc5846b 100644
--- a/tests/process/spawn/stream.luau
+++ b/tests/process/spawn/stream.luau
@@ -11,7 +11,10 @@ assert(
 	"Failed to write to stdin or read from stdout of child process"
 )
 
-local echoChild = process.spawn("echo", { msg, ">>/dev/stderr" }, { shell = true })
+local echoChild = if process.os == "windows"
+	then process.spawn("Write-Error", { msg }, { shell = "powershell" })
+	else process.spawn("echo", { msg, ">>/dev/stderr" }, { shell = true })
+
 assert(
 	msg == buffer.tostring(echoChild.stderr:read(#msg)),
 	"Failed to read from stderr of child process"