diff --git a/include/toplevel.mk b/include/toplevel.mk
index 5fbf5e2ea4..658eb4ce47 100644
--- a/include/toplevel.mk
+++ b/include/toplevel.mk
@@ -23,6 +23,7 @@ HOSTCC ?= $(CC)
 export REVISION
 export SOURCE_DATE_EPOCH
 export GIT_CONFIG_PARAMETERS='core.autocrlf=false'
+export GIT_ASKPASS:=/bin/true
 export MAKE_JOBSERVER=$(filter --jobserver%,$(MAKEFLAGS))
 export GNU_HOST_NAME:=$(shell $(TOPDIR)/scripts/config.guess)
 export HOST_OS:=$(shell uname)