diff --git a/CHANGELOG.md b/CHANGELOG.md
index e237303..d7b3c99 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,3 +8,7 @@
 - Display expiration date of SSL certificates (commit [48218](https://github.com/MathieuRA/nguix/commit/4821882d17b8cb7d23fdcdf9452b0d48e2884244))
 - Display `nginx.service` status(commit [852bd](https://github.com/MathieuRA/nguix/commit/852bd52e735687fa4b6855f3f41bba0eae322e2f))
 - Disable/Enable virtual hosts (commit [af4f6](https://github.com/MathieuRA/nguix/commit/af4f6578b05386e9ffab3aeb8a9a1d91ad0b10ed))
+
+## Fixes
+
+- Don't crash the app if `SITES_AVAILABLE` or `SITES_ENABLED` point to a non existing dir (PR [#3](https://github.com/MathieuRA/nguix/pull/3))
\ No newline at end of file
diff --git a/back/src/services/vhost.ts b/back/src/services/vhost.ts
index a45acb3..a13f956 100644
--- a/back/src/services/vhost.ts
+++ b/back/src/services/vhost.ts
@@ -1,11 +1,16 @@
 import fs from "node:fs/promises"
 import { Vhost } from "../classes/vhost.ts";
 import { getEnv } from "../env.ts";
+import { checkMainDirExist } from "../utils/dir.helper.ts";
 
 const SITES_AVAILABLE = getEnv('SITES_AVAILABLE')
 const SITES_ENABLED = getEnv('SITES_ENABLED')
 
 export async function getVirtualHosts(): Promise<Vhost[]> {
+    if (!checkMainDirExist()) {
+        return []
+    }
+
     const sitesEnabled = await fs.readdir(SITES_ENABLED)
     const sitesAvailable = await fs.readdir(SITES_AVAILABLE)
 
diff --git a/back/src/utils/dir.helper.ts b/back/src/utils/dir.helper.ts
new file mode 100644
index 0000000..179e33c
--- /dev/null
+++ b/back/src/utils/dir.helper.ts
@@ -0,0 +1,34 @@
+import fs from "node:fs"
+import { getEnv } from "../env.ts"
+
+const MAIN_DIRS = ["SITES_AVAILABLE", "SITES_ENABLED"]
+
+export function checkMainDirExist() {
+    const dirExist = MAIN_DIRS.map(envVar => {
+        const path = getEnv(envVar)
+
+        return {
+            exist: fs.existsSync(path),
+            name: envVar,
+            path
+        }
+    })
+
+    if (dirExist.some(dir => !dir.exist)) {
+        dirExist.forEach(dir => {
+            if (!dir.exist) {
+                const error = new Error('path do not exist', {
+                    cause: {
+                        path: dir.path,
+                        variable: dir.name
+                    }
+                })
+                console.warn(`[getVirtualHosts]:`, error)
+            }
+        })
+
+        return false
+    }
+
+    return true
+}
\ No newline at end of file