diff --git a/src/ImageSharp/Primitives/LongRational.cs b/src/ImageSharp/Primitives/LongRational.cs
index e92875a98b..349a3028e9 100644
--- a/src/ImageSharp/Primitives/LongRational.cs
+++ b/src/ImageSharp/Primitives/LongRational.cs
@@ -203,7 +203,7 @@ internal readonly struct LongRational : IEquatable<LongRational>
 
         if (this.Numerator == 0)
         {
-            return new LongRational(0, 0);
+            return new LongRational(0, 1);
         }
 
         if (this.Numerator == this.Denominator)