diff --git a/cli/internal/deploy.go b/cli/internal/deploy.go
index 14d1e409..fe8a2ab0 100644
--- a/cli/internal/deploy.go
+++ b/cli/internal/deploy.go
@@ -140,9 +140,13 @@ func DeployAction(c *cli.Context) error {
 	}
 
 	if !NoDomainChecks {
-		domainName := app.Env["DOMAIN"]
-		if _, err = dns.EnsureDomainsResolveSameIPv4(domainName, app.Server); err != nil {
-			logrus.Fatal(err)
+		domainName, ok := app.Env["DOMAIN"]
+		if ok {
+			if _, err = dns.EnsureDomainsResolveSameIPv4(domainName, app.Server); err != nil {
+				logrus.Fatal(err)
+			}
+		} else {
+			logrus.Warn("skipping domain checks as no DOMAIN=... configured for app")
 		}
 	} else {
 		logrus.Warn("skipping domain checks as requested")