--- a/js/src/moz.build
+++ b/js/src/moz.build
@@ -47,9 +47,12 @@
 with Files("builtin/intl/*"):
     BUG_COMPONENT = component_intl
 
+DIRS += [
+    "rust"
+]
+
 if not CONFIG["JS_DISABLE_SHELL"]:
     DIRS += [
-        "rust",
         "shell",
     ]