diff --git a/lib/src/realtime_mixin.dart b/lib/src/realtime_mixin.dart
index b2919ad..0841237 100644
--- a/lib/src/realtime_mixin.dart
+++ b/lib/src/realtime_mixin.dart
@@ -122,12 +122,13 @@ mixin RealtimeMixin {
   }
 
   int _getTimeout() {
-    return switch (_retries) {
-      < 5 => 1,
-      < 15 => 5,
-      < 100 => 10,
-      _ => 60,
-    };
+    return _retries < 5
+        ? 1
+        : _retries < 15
+            ? 5
+            : _retries < 100
+                ? 10
+                : 60;
   }
 
   Uri _prepareUri() {