1 files changed, 3 insertions, 5 deletions
diff --git a/src/completion/list_dumpable_interfaces.py b/src/completion/list_dumpable_interfaces.py
index 53ee89633..101c92fbe 100755
--- a/src/completion/list_dumpable_interfaces.py
+++ b/src/completion/list_dumpable_interfaces.py
@@ -3,12 +3,10 @@
 # Extract the list of interfaces available for traffic dumps from tcpdump -D
 
 import re
-import subprocess
 
-if __name__ == '__main__':
-    out = subprocess.check_output(['/usr/sbin/tcpdump', '-D']).decode().strip()
-    out = out.split("\n")
+from vyos.util import cmd
 
+if __name__ == '__main__':
+    out = cmd('/usr/sbin/tcpdump -D').split('\n')
     intfs = " ".join(map(lambda s: re.search(r'\d+\.(\S+)\s', s).group(1), out))
-
     print(intfs)