diff --git a/network/chat/telegram-desktop/actions.py b/network/chat/telegram-desktop/actions.py
index 2cfb649602..4d3bdcd9ac 100644
--- a/network/chat/telegram-desktop/actions.py
+++ b/network/chat/telegram-desktop/actions.py
@@ -44,7 +44,7 @@ def setup():
 
 def build():
     shelltools.cd("build")
-    cmaketools.make("-J1")
+    cmaketools.make("-j1")
     #mesontools.build()