diff --git a/pkg/device/aruos/device.go b/pkg/device/aruos/device.go
index 6cb2ad7..b407c25 100644
--- a/pkg/device/aruos/device.go
+++ b/pkg/device/aruos/device.go
@@ -7,7 +7,7 @@ import (
 )
 
 const (
-	promptExpression        = `(\r\n)?(?P<prompt>[\w\-()]+) ?# $`
+	promptExpression        = `(\r\n)?(?P<prompt>[\w\-():]+) ?# $`
 	errorExpression         = `% (Parse error|Incomplete command)`
 	passwordExpression      = `.*Password: $`
 	loginExpression         = `.*User: $`
diff --git a/pkg/device/aruos/device_test.go b/pkg/device/aruos/device_test.go
index 61e57ae..dd958e8 100644
--- a/pkg/device/aruos/device_test.go
+++ b/pkg/device/aruos/device_test.go
@@ -10,6 +10,8 @@ func TestPrompt(t *testing.T) {
 	cases := [][]byte{
 		[]byte("\r\nrrrrrr-w1# "),
 		[]byte("\r\nrrrrrr-w1 (config) # "),
+		[]byte("\r\n00:4e:35:11:22:33# "),
+		[]byte("\r\n00:4e:35:11:22:33 (config) # "),
 	}
 	testutils.ExprTester(t, cases, promptExpression)
 }