diff --git a/glances/secure.py b/glances/secure.py
index 1bb93a16..b03aa276 100644
--- a/glances/secure.py
+++ b/glances/secure.py
@@ -49,8 +49,9 @@ def __secure_popen(cmd):
     p_last = None
     # Split by pipe '|'
     for sub_cmd in cmd.split('|'):
-        # Split by space character, but do no split spaces within quotes
-        sub_cmd_split = [_ for _ in list(filter(None, re.split(r'(\s+)|(".*?"+?)|(\'.*?\'+?)', sub_cmd))) if _ != ' ']
+        # Split by space character, but do no split spaces within quotes (remove surrounding quotes, though)
+        tmp_split = [_ for _ in list(filter(None, re.split(r'(\s+)|(".*?"+?)|(\'.*?\'+?)', sub_cmd))) if _ != ' ']
+        sub_cmd_split = [_[1:-1] if (_[0]==_[-1]=='"') or (_[0]==_[-1]=='\'') else _ for _ in tmp_split]
         p = Popen(sub_cmd_split, shell=False, stdin=sub_cmd_stdin, stdout=PIPE, stderr=PIPE)
         if p_last is not None:
             # Allow p_last to receive a SIGPIPE if p exits.