diff --git a/libraries/deno-commons-mod.ts b/libraries/deno-commons-mod.ts
index 186a28c..6b38edb 100644
--- a/libraries/deno-commons-mod.ts
+++ b/libraries/deno-commons-mod.ts
@@ -238,7 +238,16 @@ export const log = new Logger();
 
 export function getHomeDir(): string | null {
     if (Deno.build.os === "windows") {
-        return Deno.env.get("USERPROFILE") || Deno.env.get("HOMEDRIVE") + Deno.env.get("HOMEPATH") || null;
+        const userProfile = Deno.env.get("USERPROFILE");
+        if (userProfile) {
+            return userProfile;
+        }
+        const homeDrive = Deno.env.get("HOMEDRIVE");
+        const homePath = Deno.env.get("HOMEPATH");
+        if (homeDrive && homePath) {
+            return homeDrive + homePath;
+        }
+        return null;
     }
     return Deno.env.get("HOME") || null;
 }