diff --git a/t/test-lib.sh b/t/test-lib.sh
index 05f6e79560..fba0c51d97 100755
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -206,6 +206,8 @@ PYTHON=`sed -e '1{
 	PYTHONPATH=$(pwd)/../compat
 	export PYTHONPATH
 }
+PERL5LIB=$(pwd)/../perl/blib/lib:$(pwd)/../perl/blib/arch/auto/Git
+export PERL5LIB
 test -d ../templates/blt || {
 	error "You haven't built things yet, have you?"
 }