diff --git a/scripts/Murax/arty_a7/make_vivado_project b/scripts/Murax/arty_a7/make_vivado_project
index 4a92510..eb0f5a9 100755
--- a/scripts/Murax/arty_a7/make_vivado_project
+++ b/scripts/Murax/arty_a7/make_vivado_project
@@ -3,7 +3,7 @@
 #cannot rm build because it erase software images that the make file copy there
 #rm -rf ./build
 
-mkdir ./build
+mkdir -p ./build
 
 cd ./build
 vivado -mode batch -source ../make_vivado_project.tcl -notrace