diff --git a/src/lib/mathlib/math/Functions.hpp b/src/lib/mathlib/math/Functions.hpp
index 14dcd5f169..0cc394547a 100644
--- a/src/lib/mathlib/math/Functions.hpp
+++ b/src/lib/mathlib/math/Functions.hpp
@@ -48,7 +48,7 @@ namespace math
 template<typename T>
 int sign(T val)
 {
-	return (T(0) < val) - (val < T(0));
+	return (T(FLT_EPSILON) < val) - (val < T(FLT_EPSILON));
 }
 
 // Type-safe signum function with zero treated as positive