diff --git a/.github/kokoro/steps/hostcheck.sh b/.github/kokoro/steps/hostcheck.sh
index e2a83ff8..3ac44593 100755
--- a/.github/kokoro/steps/hostcheck.sh
+++ b/.github/kokoro/steps/hostcheck.sh
@@ -13,6 +13,8 @@ echo
 echo "========================================"
 echo "Check storage"
 echo "----------------------------------------"
+# Wait 30 seconds to not check the storage too early.
+sleep 30
 set -x +e
 mount | grep /tmpfs
 MOUNT_RET=$?