diff --git a/include/zeus/CVector3f.hpp b/include/zeus/CVector3f.hpp
index 2a0413d..1f962e9 100644
--- a/include/zeus/CVector3f.hpp
+++ b/include/zeus/CVector3f.hpp
@@ -152,12 +152,12 @@ public:
 
   static CVector3f slerp(const CVector3f& a, const CVector3f& b, CRelAngle clampAngle);
 
-  bool isNormalized() const { return std::fabs(1.f - magSquared()) < 0.01f; }
+  bool isNormalized() const { return std::fabs(1.f - magSquared()) <= FLT_EPSILON; }
 
   bool canBeNormalized() const {
     if (std::isinf(x()) || std::isinf(y()) || std::isinf(z()))
       return false;
-    return std::fabs(x()) >= FLT_EPSILON || std::fabs(y()) >= FLT_EPSILON || std::fabs(z()) >= FLT_EPSILON;
+    return !(std::fabs(x()) < FLT_EPSILON && std::fabs(y()) < FLT_EPSILON && std::fabs(z()) < FLT_EPSILON);
   }
 
   bool isZero() const { return magSquared() <= FLT_EPSILON; }
diff --git a/include/zeus/Math.hpp b/include/zeus/Math.hpp
index 3c1ffc3..f042876 100644
--- a/include/zeus/Math.hpp
+++ b/include/zeus/Math.hpp
@@ -157,15 +157,15 @@ typename std::enable_if<std::is_enum<E>::value, int>::type PopCount(E e) {
   return PopCount(static_cast<typename std::underlying_type<E>::type>(e));
 }
 
-bool close_enough(const CVector3f& a, const CVector3f& b, float epsilon = 0.000099999997f);
+bool close_enough(const CVector3f& a, const CVector3f& b, float epsilon = FLT_EPSILON);
 
-bool close_enough(const CVector2f& a, const CVector2f& b, float epsilon = 0.000099999997f);
+bool close_enough(const CVector2f& a, const CVector2f& b, float epsilon = FLT_EPSILON);
 
-inline bool close_enough(float a, float b, double epsilon = 0.000009999999747378752) {
+inline bool close_enough(float a, float b, double epsilon = FLT_EPSILON) {
   return std::fabs(a - b) < epsilon;
 }
 
-inline bool close_enough(double a, double b, double epsilon = 0.000009999999747378752) {
+inline bool close_enough(double a, double b, double epsilon = FLT_EPSILON) {
   return std::fabs(a - b) < epsilon;
 }
 } // namespace zeus