diff --git a/internal/health/health_test.go b/internal/health/health_test.go
index e389fa1..5be99ce 100644
--- a/internal/health/health_test.go
+++ b/internal/health/health_test.go
@@ -57,10 +57,15 @@ func TestDetermineOverallStatus(t *testing.T) {
 			results:  map[string]Result{"db": {Status: StatusUnhealthy}, "smtp": {Status: StatusHealthy}},
 			expected: StatusUnhealthy,
 		},
+		{
+			name:     "smtp unhealthy downgrades overall to degraded",
+			results:  map[string]Result{"db": {Status: StatusHealthy}, "smtp": {Status: StatusUnhealthy}},
+			expected: StatusDegraded,
+		},
 		{
 			name:     "mixed degraded and unhealthy",
 			results:  map[string]Result{"db": {Status: StatusDegraded}, "smtp": {Status: StatusUnhealthy}},
-			expected: StatusUnhealthy,
+			expected: StatusDegraded,
 		},
 		{
 			name:     "empty results",