diff --git a/src/babashka/impl/os.clj b/src/babashka/impl/os.clj
new file mode 100644
index 00000000..7570391e
--- /dev/null
+++ b/src/babashka/impl/os.clj
@@ -0,0 +1,14 @@
+(ns babashka.impl.os
+  {:no-doc true}
+  (:require [babashka.os :as os]
+            [sci.core :as sci]))
+
+(def ons (sci/create-ns 'babashka.os nil))
+
+(def os-namespace
+  {'set-env (sci/copy-var os/set-env ons)
+   'get-env (sci/copy-var os/get-env ons)})
+
+
+
+
diff --git a/src/babashka/os.clj b/src/babashka/os.clj
new file mode 100644
index 00000000..655cddf8
--- /dev/null
+++ b/src/babashka/os.clj
@@ -0,0 +1,18 @@
+(ns babashka.os)
+
+(defmacro if-graal [then else]
+  (if (resolve 'babashka.impl.Graal)
+    then
+    else))
+
+(defn set-env
+  ([name value] (set-env name value true))
+  ([name value overwrite?]
+   (if-graal
+       (babashka.impl.Graal/setEnv name value overwrite?)
+     (throw (UnsupportedOperationException. "set-env is only available in the native image.")))))
+
+(defn get-env [name]
+  (if-graal
+      (babashka.impl.Graal/getEnv name)
+    (throw (UnsupportedOperationException. "set-env is only available in the native image."))))