diff --git a/sau/services.py b/sau/services.py
index 231be90..2966572 100644
--- a/sau/services.py
+++ b/sau/services.py
@@ -97,6 +97,8 @@ def restart_services():
     processes = {}
     services = {}
     for proc in service_procs:
+        if not proc:
+            continue
         try:
             service_exe = proc.exe()
             proc_name = proc.name()