diff --git a/d2warehouse/app/main.py b/d2warehouse/app/main.py
index 68e2725..9adb262 100644
--- a/d2warehouse/app/main.py
+++ b/d2warehouse/app/main.py
@@ -82,7 +82,7 @@ def d2_running() -> bool:
         try:
             if proc.cmdline()[0].endswith("D2R.exe"):
                 return True
-        except (IndexError, psutil.AccessDenied):
+        except (IndexError, psutil.AccessDenied, psutil.ZombieProcess):
             pass
     return False