diff --git a/build.sh b/build.sh
index 6895f4e..62a29f3 100755
--- a/build.sh
+++ b/build.sh
@@ -26,6 +26,8 @@ echo ""
 python3 shelter/tools/checker/vmem_layout_check.py shelter/lib/include/memory/vmem_layout.h
 echo ""
 
+mkdir -n shelter/lib/include/kernel/tests/payloads
+
 echo "[Build] Generating kernel payloads:"
 echo -n "[Build]   Radix tests..."
 run "python shelter/tools/generator/radix_tree_payload_gen.py > shelter/lib/include/kernel/tests/payloads/test_radix_payload.h" " done." "\n[Build] Error:\n"