diff --git a/Perforce.py b/Perforce.py
index 25b9522..3daeed5 100644
--- a/Perforce.py
+++ b/Perforce.py
@@ -37,7 +37,7 @@ def RunPerforceSpecialCommand(fileName, command):
     client = GetClientNameFromClientspec()
 
     command = "p4v.exe -p {} -c {} -u {} -cmd \"{} {}\"".format(port, client, userName, command, fileName)
-    subprocess.call(command, shell=True)
+    subprocess.Popen(command, shell=True)
 
 class PerforceViewFileHistoryCommand(sublime_plugin.TextCommand):
     def run(self, edit):