diff --git a/tests/ImageSharp.Tests/FakeImageOperationsProvider.cs b/tests/ImageSharp.Tests/FakeImageOperationsProvider.cs
index 70e55b4269..e06b918afd 100644
--- a/tests/ImageSharp.Tests/FakeImageOperationsProvider.cs
+++ b/tests/ImageSharp.Tests/FakeImageOperationsProvider.cs
@@ -54,7 +54,7 @@
                 }
                 else
                 {
-                    this.source = source.Clone();
+                    this.source = source?.Clone();
                 }
             }