diff --git a/dist/main/index.js b/dist/main/index.js
index cf4deb5b..55bb6a2e 100644
--- a/dist/main/index.js
+++ b/dist/main/index.js
@@ -7999,7 +7999,7 @@ async function isTrustedUser() {
         core.debug(`Trusted users: ${trustedUsers}`);
         core.debug(`Trusted groups: ${trustedGroups}`);
         // Chech if Nix is installed in single-user mode.
-        let isStoreWritable = isWritable('/nix/store');
+        let isStoreWritable = await isWritable('/nix/store');
         core.debug(`Is store writable: ${isStoreWritable}`);
         return isStoreWritable
             || trustedUsers.includes(user)
diff --git a/src/main.ts b/src/main.ts
index 95255a59..f093d101 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -319,7 +319,7 @@ async function isTrustedUser(): Promise<boolean> {
     core.debug(`Trusted groups: ${trustedGroups}`);
 
     // Chech if Nix is installed in single-user mode.
-    let isStoreWritable = isWritable('/nix/store');
+    let isStoreWritable = await isWritable('/nix/store');
     core.debug(`Is store writable: ${isStoreWritable}`);
 
     return isStoreWritable