diff --git a/scripts/alphanet.sh b/scripts/alphanet.sh
index bf2e4c8aeacb5a225f782077bee15ab150f310dc..18e82e129b174ab801c369f1ad17c8178e15dadb 100755
--- a/scripts/alphanet.sh
+++ b/scripts/alphanet.sh
@@ -127,7 +127,7 @@ exec_docker() {
             fi
             file_name=$(basename "${local_path}")
             docker_path="$tmpdir/$file_name"
-            docker cp "${local_path}" "$docker_node_container:${docker_path}"
+            docker cp "${local_path}" "$(container_name "$docker_node_container"):${docker_path}"
             container_args+=("$docker_path");
         else
             container_args+=("${arg}");