diff --git a/packages/ecs/test/component.ts b/packages/ecs/test/component.ts
index 6410227879..8e9fe427dc 100644
--- a/packages/ecs/test/component.ts
+++ b/packages/ecs/test/component.ts
@@ -112,5 +112,9 @@ group(
             });
         },
     },
-    { beforeEach: () => (ecs = new ECS({ capacity: 16 })) }
+    {
+        beforeEach: () => {
+            ecs = new ECS({ capacity: 16 });
+        },
+    }
 );
diff --git a/packages/ecs/test/group.ts b/packages/ecs/test/group.ts
index f8a4e3938a..e511ea784f 100644
--- a/packages/ecs/test/group.ts
+++ b/packages/ecs/test/group.ts
@@ -49,6 +49,8 @@ group(
         },
     },
     {
-        beforeEach: () => (ecs = new ECS({ capacity: 16 })),
+        beforeEach: () => {
+            ecs = new ECS({ capacity: 16 });
+        },
     }
 );