diff --git a/core/fmt/fmt_js.odin b/core/fmt/fmt_js.odin
index 7f6008889..5e06041f5 100644
--- a/core/fmt/fmt_js.odin
+++ b/core/fmt/fmt_js.odin
@@ -7,7 +7,7 @@ foreign import "odin_env"
 
 @(private="file")
 foreign odin_env {
-	write :: proc "c" (fd: u32, p: []byte) ---
+	write :: proc "contextless" (fd: u32, p: []byte) ---
 }
 
 @(private="file")