diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index 8d1ea5491d..5406e542db 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -775,9 +775,9 @@ export PKG_CONFIG_DISABLE_UNINSTALLED = "yes"
 export PKG_CONFIG_SYSTEM_LIBRARY_PATH = "${base_libdir}:${libdir}"
 export PKG_CONFIG_SYSTEM_INCLUDE_PATH = "${includedir}"
 
-# Don't allow git to chdir up past WORKDIR so that it doesn't detect the OE
-# repository when building a recipe
-export GIT_CEILING_DIRECTORIES = "${WORKDIR}"
+# Don't allow git to chdir up past WORKDIR or TMPDIR so that it doesn't detect the OE
+# repository when building a recipe.
+export GIT_CEILING_DIRECTORIES = "${WORKDIR}:${TMPDIR}"
 
 ###
 ### Config file processing