diff --git a/Build.md b/Build.md
index 21969a5..e95197a 100644
--- a/Build.md
+++ b/Build.md
@@ -45,7 +45,7 @@ So, full instructions would look like this:
 git clone https://github.com/netbox-community/netbox-docker.git
 cd netbox-docker
 git clone https://github.com/netbox-community/netbox.git netbox
-docker build --build-args "NETBOX_PATH=netbox" --target main .
+docker build --build-arg "NETBOX_PATH=netbox" --target main .
 ```
 
 ### Build Targets