diff --git a/CMakeLists.txt b/CMakeLists.txt
index 38ed24b..4be6a1e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,13 @@ cmake_minimum_required(VERSION 3.10)
 project(t3dsr C)
 
 set(CMAKE_C_STANDARD 17)
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra")
+
+# if microsoft compilation
+if (MSVC)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W4")
+else()
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -pedantic")
+endif()
 
 file(GLOB_RECURSE SOURCES CONFIGURE_DEPENDS src/*.c)
 file(GLOB_RECURSE HEADERS CONFIGURE_DEPENDS src/*.h)
diff --git a/src/math/vec3.c b/src/math/vec3.c
index 568bffa..045c30f 100644
--- a/src/math/vec3.c
+++ b/src/math/vec3.c
@@ -6,6 +6,7 @@
 //
 
 #include "vec3.h"
+#include "common_math.h"
 
 #define VEC_SIZE 3
 
diff --git a/src/math/vec3.h b/src/math/vec3.h
index 1733022..41f56e5 100644
--- a/src/math/vec3.h
+++ b/src/math/vec3.h
@@ -8,12 +8,10 @@
 #ifndef vec3_h
 #define vec3_h
 
-#include "common_math.h"
-
 typedef union
 {
     struct {float x, y, z; };
-    float data[3];
+    float data[4];
 } __attribute__((aligned(16))) Vec3f_t;
 
 Vec3f_t vec3f_from_array(const float *__restrict val);