diff --git a/userge/plugins/builtin/system/__main__.py b/userge/plugins/builtin/system/__main__.py
index 6ee7ba563..533751f0a 100644
--- a/userge/plugins/builtin/system/__main__.py
+++ b/userge/plugins/builtin/system/__main__.py
@@ -170,7 +170,7 @@ async def delvar_(message: Message) -> None:
     var_name = message.input_str.strip()
     var_data = system.get_env(var_name)
 
-    if var_data:
+    if not var_data:
         await message.err(f"`var {var_name} not found!`")
         return