diff --git a/act/runner/runner.go b/act/runner/runner.go
index 8e8fba3a..fae5ffe4 100644
--- a/act/runner/runner.go
+++ b/act/runner/runner.go
@@ -86,9 +86,6 @@ func (c Config) GetToken() string {
 }
 
 func (c *Config) GetContainerDaemonSocket() string {
-	if c.ContainerDaemonSocket == "" {
-		return "/var/run/docker.sock"
-	}
 	return c.ContainerDaemonSocket
 }
 
diff --git a/internal/app/cmd/exec.go b/internal/app/cmd/exec.go
index f88fe327..fb6f75cc 100644
--- a/internal/app/cmd/exec.go
+++ b/internal/app/cmd/exec.go
@@ -466,7 +466,7 @@ func loadExecCmd(ctx context.Context) *cobra.Command {
 	execCmd.Flags().BoolVar(&execArg.privileged, "privileged", false, "use privileged mode")
 	execCmd.Flags().StringVar(&execArg.usernsMode, "userns", "", "user namespace to use")
 	execCmd.PersistentFlags().StringVarP(&execArg.containerArchitecture, "container-architecture", "", "", "Architecture which should be used to run containers, e.g.: linux/amd64. If not specified, will use host default architecture. Requires Docker server API Version 1.41+. Ignored on earlier Docker server platforms.")
-	execCmd.PersistentFlags().StringVarP(&execArg.containerDaemonSocket, "container-daemon-socket", "", "/var/run/docker.sock", "Please use the DOCKER_HOST environment variable as documented at https://forgejo.org/docs/next/admin/actions/runner-installation/#setting-up-the-container-environment instead.")
+	execCmd.PersistentFlags().StringVarP(&execArg.containerDaemonSocket, "container-daemon-socket", "", "-", "Please use the DOCKER_HOST environment variable as documented at https://forgejo.org/docs/next/admin/actions/runner-installation/#setting-up-the-container-environment instead.")
 	execCmd.Flags().BoolVar(&execArg.useGitIgnore, "use-gitignore", true, "Controls whether paths specified in .gitignore should be copied into container")
 	execCmd.Flags().StringArrayVarP(&execArg.containerCapAdd, "container-cap-add", "", []string{}, "kernel capabilities to add to the workflow containers (e.g. --container-cap-add SYS_PTRACE)")
 	execCmd.Flags().StringArrayVarP(&execArg.containerCapDrop, "container-cap-drop", "", []string{}, "kernel capabilities to remove from the workflow containers (e.g. --container-cap-drop SYS_PTRACE)")