diff --git a/lib/bb/fetch2/git.py b/lib/bb/fetch2/git.py
index c7ff769fd..1ea000b3a 100644
--- a/lib/bb/fetch2/git.py
+++ b/lib/bb/fetch2/git.py
@@ -262,7 +262,7 @@ class Git(FetchMethod):
             for name in ud.names:
                 ud.unresolvedrev[name] = 'HEAD'
 
-        ud.basecmd = d.getVar("FETCHCMD_git") or "git -c gc.autoDetach=false -c core.pager=cat -c safe.bareRepository=all"
+        ud.basecmd = d.getVar("FETCHCMD_git") or "GIT_CONFIG_GLOBAL=/dev/null git -c gc.autoDetach=false -c core.pager=cat -c safe.bareRepository=all"
 
         write_tarballs = d.getVar("BB_GENERATE_MIRROR_TARBALLS") or "0"
         ud.write_tarballs = write_tarballs != "0" or ud.rebaseable