diff --git a/flecs.c b/flecs.c
index 7dbf858a5..e51d42ca7 100644
--- a/flecs.c
+++ b/flecs.c
@@ -8062,6 +8062,8 @@ ecs_entity_t ecs_get_object(
     ecs_assert(world != NULL, ECS_INVALID_PARAMETER, NULL);
     ecs_assert(rel != 0, ECS_INVALID_PARAMETER, NULL);
 
+    world = ecs_get_world(world);
+
     if (!entity) {
         return 0;
     }
diff --git a/flecs.h b/flecs.h
index 1590d8cdd..ad5b17fee 100644
--- a/flecs.h
+++ b/flecs.h
@@ -1924,14 +1924,14 @@ void ecs_os_set_api_defaults(void);
 #define ecs_os_alloca(size) alloca((size_t)(size))
 #endif
 
-#define ecs_os_malloc_t(T) (T*)(ecs_os_malloc(ECS_SIZEOF(T)))
-#define ecs_os_malloc_n(T, count) (T*)(ecs_os_malloc(ECS_SIZEOF(T) * (count)))
-#define ecs_os_calloc_t(T) (T*)(ecs_os_calloc(ECS_SIZEOF(T)))
-#define ecs_os_calloc_n(T, count) (T*)(ecs_os_calloc(ECS_SIZEOF(T) * (count)))
-#define ecs_os_realloc_t(ptr, T) (T*)(ecs_os_realloc([ptr, ECS_SIZEOF(T)))
-#define ecs_os_realloc_n(ptr, T, count) (T*)(ecs_os_realloc(ptr, ECS_SIZEOF(T) * (count)))
-#define ecs_os_alloca_t(T) (T*)(ecs_os_alloca(ECS_SIZEOF(T)))
-#define ecs_os_alloca_n(T, count) (T*)(ecs_os_alloca(ECS_SIZEOF(T) * (count)))
+#define ecs_os_malloc_t(T) ECS_CAST(T*, ecs_os_malloc(ECS_SIZEOF(T)))
+#define ecs_os_malloc_n(T, count) ECS_CAST(T*, ecs_os_malloc(ECS_SIZEOF(T) * (count)))
+#define ecs_os_calloc_t(T) ECS_CAST(T*, ecs_os_calloc(ECS_SIZEOF(T)))
+#define ecs_os_calloc_n(T, count) ECS_CAST(T*, ecs_os_calloc(ECS_SIZEOF(T) * (count)))
+#define ecs_os_realloc_t(ptr, T) ECS_CAST(T*, ecs_os_realloc([ptr, ECS_SIZEOF(T)))
+#define ecs_os_realloc_n(ptr, T, count) ECS_CAST(T*, ecs_os_realloc(ptr, ECS_SIZEOF(T) * (count)))
+#define ecs_os_alloca_t(T) ECS_CAST(T*, ecs_os_alloca(ECS_SIZEOF(T)))
+#define ecs_os_alloca_n(T, count) ECS_CAST(T*, ecs_os_alloca(ECS_SIZEOF(T) * (count)))
 
 /* Strings */
 #ifndef ecs_os_strdup
diff --git a/include/flecs/os_api.h b/include/flecs/os_api.h
index a24a7ce15..16c98e842 100644
--- a/include/flecs/os_api.h
+++ b/include/flecs/os_api.h
@@ -286,14 +286,14 @@ void ecs_os_set_api_defaults(void);
 #define ecs_os_alloca(size) alloca((size_t)(size))
 #endif
 
-#define ecs_os_malloc_t(T) (T*)(ecs_os_malloc(ECS_SIZEOF(T)))
-#define ecs_os_malloc_n(T, count) (T*)(ecs_os_malloc(ECS_SIZEOF(T) * (count)))
-#define ecs_os_calloc_t(T) (T*)(ecs_os_calloc(ECS_SIZEOF(T)))
-#define ecs_os_calloc_n(T, count) (T*)(ecs_os_calloc(ECS_SIZEOF(T) * (count)))
-#define ecs_os_realloc_t(ptr, T) (T*)(ecs_os_realloc([ptr, ECS_SIZEOF(T)))
-#define ecs_os_realloc_n(ptr, T, count) (T*)(ecs_os_realloc(ptr, ECS_SIZEOF(T) * (count)))
-#define ecs_os_alloca_t(T) (T*)(ecs_os_alloca(ECS_SIZEOF(T)))
-#define ecs_os_alloca_n(T, count) (T*)(ecs_os_alloca(ECS_SIZEOF(T) * (count)))
+#define ecs_os_malloc_t(T) ECS_CAST(T*, ecs_os_malloc(ECS_SIZEOF(T)))
+#define ecs_os_malloc_n(T, count) ECS_CAST(T*, ecs_os_malloc(ECS_SIZEOF(T) * (count)))
+#define ecs_os_calloc_t(T) ECS_CAST(T*, ecs_os_calloc(ECS_SIZEOF(T)))
+#define ecs_os_calloc_n(T, count) ECS_CAST(T*, ecs_os_calloc(ECS_SIZEOF(T) * (count)))
+#define ecs_os_realloc_t(ptr, T) ECS_CAST(T*, ecs_os_realloc([ptr, ECS_SIZEOF(T)))
+#define ecs_os_realloc_n(ptr, T, count) ECS_CAST(T*, ecs_os_realloc(ptr, ECS_SIZEOF(T) * (count)))
+#define ecs_os_alloca_t(T) ECS_CAST(T*, ecs_os_alloca(ECS_SIZEOF(T)))
+#define ecs_os_alloca_n(T, count) ECS_CAST(T*, ecs_os_alloca(ECS_SIZEOF(T) * (count)))
 
 /* Strings */
 #ifndef ecs_os_strdup
diff --git a/src/entity.c b/src/entity.c
index 366df85e1..609bdd225 100644
--- a/src/entity.c
+++ b/src/entity.c
@@ -3380,6 +3380,8 @@ ecs_entity_t ecs_get_object(
     ecs_assert(world != NULL, ECS_INVALID_PARAMETER, NULL);
     ecs_assert(rel != 0, ECS_INVALID_PARAMETER, NULL);
 
+    world = ecs_get_world(world);
+
     if (!entity) {
         return 0;
     }
diff --git a/test/api/src/SingleThreadStaging.c b/test/api/src/SingleThreadStaging.c
index 7e93df4df..8a6de5c1b 100644
--- a/test/api/src/SingleThreadStaging.c
+++ b/test/api/src/SingleThreadStaging.c
@@ -2948,5 +2948,22 @@ void SingleThreadStaging_get_case_from_stage() {
 }
 
 void SingleThreadStaging_get_object_from_stage() {
-    // Implement testcase
+    ecs_world_t *world = ecs_init();
+
+    ECS_TAG(world, CaseOne);
+    ECS_TAG(world, CaseTwo);
+    ECS_TYPE(world, Switch, CaseOne, CaseTwo);
+
+    ecs_entity_t parent = ecs_new_id(world);
+    ecs_entity_t e = ecs_new_w_pair(world, EcsChildOf, parent);
+
+    ecs_staging_begin(world);
+
+    ecs_world_t *stage = ecs_get_stage(world, 0);
+
+    test_assert(parent == ecs_get_object(stage, e, EcsChildOf, 0));
+
+    ecs_staging_end(world);
+
+    ecs_fini(world);
 }