diff --git a/wifi_monitor.py b/wifi_monitor.py
index 7de9192..bed75e6 100755
--- a/wifi_monitor.py
+++ b/wifi_monitor.py
@@ -227,8 +227,7 @@ class WiFiMonitor:
                 stdout=asyncio.subprocess.DEVNULL,
                 stderr=asyncio.subprocess.PIPE
             )
-            stderr = await proc.communicate()[1]
-            await proc.wait()
+            _, stderr = await proc.communicate()
 
             if proc.returncode != 0:
                 error_msg = stderr.decode() if stderr else "Unknown error"
@@ -243,8 +242,7 @@ class WiFiMonitor:
                 stdout=asyncio.subprocess.DEVNULL,
                 stderr=asyncio.subprocess.PIPE
             )
-            stderr = await proc.communicate()[1]
-            await proc.wait()
+            _, stderr = await proc.communicate()
 
             if proc.returncode != 0:
                 error_msg = stderr.decode() if stderr else "Unknown error"
@@ -267,8 +265,7 @@ class WiFiMonitor:
                 stdout=asyncio.subprocess.DEVNULL,
                 stderr=asyncio.subprocess.PIPE
             )
-            stderr = await proc.communicate()[1]
-            await proc.wait()
+            _, stderr = await proc.communicate()
 
             if proc.returncode == 0:
                 print(f"Channel set to {self.channel}")