diff --git a/.gitmodules b/.gitmodules
index 2a97d495ec..0864ee1999 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -305,7 +305,7 @@
 	branch = .
 [submodule "build"]
 	path = tools/build
-	url = ../build.git
+	url = https://github.com/bfgroup/b2.git
 	fetchRecurseSubmodules = on-demand
 	branch = .
 [submodule "quickbook"]