1 files changed, 2 insertions, 1 deletions
diff --git a/spice2 b/spice2
index 9e1025c..2ea73e0 100755
--- a/spice2
+++ b/spice2
@@ -207,7 +207,8 @@ def set_title(x):
     sys.stdout.write("\033]0;%s\007" % str(x))
 
 def file_in_use(x):
-    return not os.system('lsof -t %s > /dev/null' % x)
+    return not subprocess.call(['lsof', '-t', x],
+                               stdout=subprocess.PIPE, stderr=subprocess.PIPE)
 
 def oldness(f):
     if not os.path.exists(f):