diff --git a/build.sh b/build.sh
index 62a29f3..f4280a5 100755
--- a/build.sh
+++ b/build.sh
@@ -26,7 +26,7 @@ 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
+mkdir -p shelter/lib/include/kernel/tests/payloads
 
 echo "[Build] Generating kernel payloads:"
 echo -n "[Build]   Radix tests..."