diff --git a/libbeat/Makefile b/libbeat/Makefile
index 654e8ae06a7f..f6447b13e6e2 100644
--- a/libbeat/Makefile
+++ b/libbeat/Makefile
@@ -1,6 +1,7 @@
 BEAT_NAME=libbeat
 TEST_ENVIRONMENT?=true
 SYSTEM_TESTS=true
+GOX_OS=linux darwin windows netbsd openbsd
 
 include scripts/Makefile