diff --git a/src/spectator/example_group.cr b/src/spectator/example_group.cr
index 308ad91..8665c90 100644
--- a/src/spectator/example_group.cr
+++ b/src/spectator/example_group.cr
@@ -14,6 +14,8 @@ module Spectator
     private getter hooks : ExampleHooks
 
     def initialize(@what, @parent, @hooks)
+      @before_all_hooks_run = false
+      @after_all_hooks_run = false
     end
 
     def examples : Enumerable(Example)