diff --git a/network/mail/thunderbird/actions.py b/network/mail/thunderbird/actions.py
index a26ac48bce..94e929d09f 100644
--- a/network/mail/thunderbird/actions.py
+++ b/network/mail/thunderbird/actions.py
@@ -16,7 +16,7 @@ shelltools.export("SHELL", "/bin/sh")
 shelltools.export("MACH_USE_SYSTEM_PYTHON", "1")
 shelltools.export("MOZBUILD_STATE_PATH", "mozbuild")
 
-locales = "be  ca  da  de  el  en-GB en-US  es-AR  es-ES  fi  fr  hr  hu  it  lt nl  pl  pt-BR  pt-PT  ro  ru  sr  sv-SE  tr  uk".split()
+locales = "ca  da  de  el  en-GB en-US  es-AR  es-ES  fi  fr  hr  hu  it  lt nl  pl  pt-BR  pt-PT  ro  ru  sr  sv-SE  tr  uk".split()
 xpidir = "%s/xpi" % get.workDIR()
 arch = get.ARCH()
 ver = ".".join(get.srcVERSION().split(".")[:3])