diff --git a/mount/chat_integration.py b/mount/chat_integration.py
index 545efad09..1a46385cb 100644
--- a/mount/chat_integration.py
+++ b/mount/chat_integration.py
@@ -157,11 +157,15 @@ async def chat(
                 "--provider",
                 normalized_provider,
                 "--once",
-                "--",
-                message,
             ]
 
-            result = subprocess.run(cmd, capture_output=True, text=True, cwd=str(self.chat_path))
+            result = subprocess.run(
+                cmd,
+                input=message,
+                capture_output=True,
+                text=True,
+                cwd=str(self.chat_path),
+            )
 
             return {
                 "success": result.returncode == 0,