diff --git a/gebuilder/tests/20_test_stemgentoo_initialize.sh b/gebuilder/tests/20_test_stemgentoo_initialize.sh
index a6aba06..35ced63 100755
--- a/gebuilder/tests/20_test_stemgentoo_initialize.sh
+++ b/gebuilder/tests/20_test_stemgentoo_initialize.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 
 tmpdir="$(mktemp -d)"
+on_exit "rm -rf \"${tmpdir}\""
 pushd "${tmpdir}"
 "$GEBUILDER_ENTRY" stemgentoo initialize
 if [ "$?" -eq 0 ]