diff --git a/src-tauri/capabilities/default.json b/src-tauri/capabilities/default.json
index c51de40..9fae946 100644
--- a/src-tauri/capabilities/default.json
+++ b/src-tauri/capabilities/default.json
@@ -37,14 +37,9 @@
       "identifier": "shell:allow-execute",
       "allow": [
         {
-          "name": "chmod+x",
+          "name": "chmod-walletshield",
           "cmd": "chmod",
-          "args": [
-            "+x",
-            {
-              "validator": "\\S+"
-            }
-          ],
+          "args": ["+x", "walletshield"],
           "sidecar": false
         }
       ]
@@ -55,14 +50,7 @@
         {
           "name": "walletshield-listen",
           "cmd": "walletshield",
-          "args": [
-            "-listen",
-            ":7070",
-            "-config",
-            {
-              "validator": "\\S+"
-            }
-          ],
+          "args": ["-listen", ":7070", "-config", "client.toml"],
           "sidecar": false
         }
       ]
diff --git a/src/App.tsx b/src/App.tsx
index c29a6fb..f0795e3 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -166,10 +166,14 @@ function App() {
     // prepare the walletshield binary for execution
     ////////////////////////////////////////////////////////////////////////
     if (platform() === "linux" || platform() === "macos") {
-      const output = await Command.create("chmod+x", [
-        "+x",
-        fileWalletshield,
-      ]).execute();
+      log.debug(`executing command: chmod +x walletshield`);
+      const output = await Command.create(
+        "chmod-walletshield",
+        ["+x", "walletshield"],
+        {
+          cwd: dirNetwork,
+        },
+      ).execute();
       if (output.code !== 0) {
         throw new Error(`Failed to chmod+x walletshield: ${output.stderr}`);
       }
@@ -181,7 +185,7 @@ function App() {
     setMsgType(() => "info");
     setMsg(() => `Starting network client...`);
     const cmd = "walletshield";
-    const args = ["-listen", ":7070", "-config", fileClientCfg];
+    const args = ["-listen", ":7070", "-config", "client.toml"];
     const command = Command.create("walletshield-listen", args, {
       cwd: dirNetwork,
       env: {