diff --git a/projects/extensions/queues/queues_functions.h b/projects/extensions/queues/queues_functions.h
index 43f8e06..8dc3b8f 100644
--- a/projects/extensions/queues/queues_functions.h
+++ b/projects/extensions/queues/queues_functions.h
@@ -1,6 +1,6 @@
 #pragma once
 #include "stdint.h"
-#include "utils/gryphn_error_code.h"
+#include "core/gryphn_error_code.h"
 #include "core/src/gryphn_handles.h"
 
 typedef struct gnQueueFamilyProperties gnQueueFamilyProperties;
diff --git a/projects/extensions/synchronization/fence/gryphn_fence.h b/projects/extensions/synchronization/fence/gryphn_fence.h
index fa276ac..eb463e5 100644
--- a/projects/extensions/synchronization/fence/gryphn_fence.h
+++ b/projects/extensions/synchronization/fence/gryphn_fence.h
@@ -1,6 +1,6 @@
 #pragma once
 #include <utils/gryphn_bool.h>
-#include "utils/gryphn_error_code.h"
+#include "core/gryphn_error_code.h"
 #include "utils/lists/gryphn_array_list.h"
 #include "gryphn_handles.h"
 
diff --git a/projects/extensions/synchronization/loader/sync_functions.h b/projects/extensions/synchronization/loader/sync_functions.h
index 152f228..4fce42e 100644
--- a/projects/extensions/synchronization/loader/sync_functions.h
+++ b/projects/extensions/synchronization/loader/sync_functions.h
@@ -1,6 +1,6 @@
 #pragma once
 #include "stdint.h"
-#include "utils/gryphn_error_code.h"
+#include "core/gryphn_error_code.h"
 #include <extensions/synchronization/fence/gryphn_fence.h>
 #include <extensions/synchronization/semaphore/gryphn_semaphore.h>
 #include "core/src/gryphn_handles.h"
diff --git a/projects/extensions/synchronization/semaphore/gryphn_semaphore.h b/projects/extensions/synchronization/semaphore/gryphn_semaphore.h
index 881eb12..0d10b8c 100644
--- a/projects/extensions/synchronization/semaphore/gryphn_semaphore.h
+++ b/projects/extensions/synchronization/semaphore/gryphn_semaphore.h
@@ -1,5 +1,5 @@
 #pragma once
-#include "utils/gryphn_error_code.h"
+#include "core/gryphn_error_code.h"
 #include "utils/lists/gryphn_array_list.h"
 #include "gryphn_handles.h"