diff --git a/Earthfile b/Earthfile
index 5c16977..f208287 100644
--- a/Earthfile
+++ b/Earthfile
@@ -33,7 +33,7 @@ ARG ISO_NAME=installer
 ARG K8S_DISTRIBUTION
 ARG CUSTOM_TAG
 ARG CLUSTERCONFIG
-ARG EDGE_CUSTOM_CONFIG=edge_custom_config.yaml
+ARG EDGE_CUSTOM_CONFIG=edge-custom-config.yaml
 ARG ARCH
 ARG DISABLE_SELINUX=true
 ARG CIS_HARDENING=true