diff --git a/src/base/base_math.h b/src/base/base_math.h
index e34adcc..2b7400b 100644
--- a/src/base/base_math.h
+++ b/src/base/base_math.h
@@ -1,7 +1,7 @@
 #ifndef BASE_MATH_H
 #define BASE_MATH_H
 
-typedef struct Vec2F32 Vec2F32;
+typedef union Vec2F32 Vec2F32;
 union Vec2F32 {
   struct {
     f32 x;
@@ -10,14 +10,14 @@ union Vec2F32 {
   f32 v[2];
 };
 
-typedef struct Vec3F32 Vec3F32;
+typedef union Vec3F32 Vec3F32;
 union Vec3F32 {
   struct {
     f32 x;
     f32 y;
     f32 z;
   };
-  f32 v[2];
+  f32 v[3];
 };
 
 Vec3F32 vec3f32_rotate_x(Vec3F32 vector, float angle);