diff --git a/include/Nazara/Math/Basic.inl b/include/Nazara/Math/Basic.inl
index 91595f8d1..6a4c16e8d 100644
--- a/include/Nazara/Math/Basic.inl
+++ b/include/Nazara/Math/Basic.inl
@@ -194,7 +194,11 @@ T NzNormalizeAngle(T angle)
 template<typename T>
 bool NzNumberEquals(T a, T b, T maxDifference)
 {
-	return std::fabs(a-b) < maxDifference;
+	T diff = a - b;
+	if (diff < 0)
+		diff = -diff;
+
+	return diff <= maxDifference;
 }
 
 inline NzString NzNumberToString(long long number, nzUInt8 radix)