diff --git a/CMakeLists.txt b/CMakeLists.txt
index d87052c..a51519c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,7 +5,7 @@ project(omath VERSION 1.0.1 LANGUAGES CXX)
 include(CMakePackageConfigHelpers)
 
 
-option(OMATH_BUILD_TESTS "Build unit tests" OFF)
+option(OMATH_BUILD_TESTS "Build unit tests" ON)
 option(OMATH_THREAT_WARNING_AS_ERROR "Set highest level of warnings and force compiler to treat them as errors" ON)
 option(OMATH_BUILD_AS_SHARED_LIBRARY "Build Omath as .so or .dll" OFF)
 option(OMATH_USE_AVX2 "Omath will use AVX2 to boost performance" ON)
@@ -13,7 +13,7 @@ option(OMATH_IMGUI_INTEGRATION "Omath will define method to convert omath types
 option(OMATH_BUILD_EXAMPLES "Build example projects with you can learn & play" OFF)
 option(OMATH_STATIC_MSVC_RUNTIME_LIBRARY  "Force Omath to link static runtime" OFF)
 option(OMATH_SUPRESS_SAFETY_CHECKS "Supress some safety checks in release build to improve general performance" ON)
-
+option(OMATH_USE_UNITY_BUILD "Will enable unity build to speed up compilation" OFF)
 
 if (OMATH_BUILD_AS_SHARED_LIBRARY)
     add_library(omath SHARED source/matrix.cpp)
@@ -54,11 +54,15 @@ endif()
 set_target_properties(omath PROPERTIES
         ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
         LIBRARY_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
-        UNITY_BUILD ON
-        UNITY_BUILD_BATCH_SIZE 20
         CXX_STANDARD 23
         CXX_STANDARD_REQUIRED ON)
 
+if (OMATH_USE_UNITY_BUILD)
+    set_target_properties(omath PROPERTIES
+            UNITY_BUILD ON
+            UNITY_BUILD_BATCH_SIZE 20)
+endif()
+
 if (OMATH_STATIC_MSVC_RUNTIME_LIBRARY)
     set_target_properties(omath PROPERTIES
             MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>"
diff --git a/include/omath/3d_primitives/box.hpp b/include/omath/3d_primitives/box.hpp
index a59b235..afc7003 100644
--- a/include/omath/3d_primitives/box.hpp
+++ b/include/omath/3d_primitives/box.hpp
@@ -4,7 +4,7 @@
 
 #pragma once
 #include <array>
-
+#include "omath/vector3.hpp"
 
 namespace omath::primitives
 {
diff --git a/tests/general/unit_test_box_primitive.cpp b/tests/general/unit_test_box_primitive.cpp
index f38e6e1..215f222 100644
--- a/tests/general/unit_test_box_primitive.cpp
+++ b/tests/general/unit_test_box_primitive.cpp
@@ -1,4 +1,6 @@
 //
 // Created by Vlad on 4/18/2025.
 //
-#include <omath/3d_primitives/box.hpp>
\ No newline at end of file
+#include <gtest/gtest.h>
+#include <omath/3d_primitives/box.hpp>
+