diff --git a/osu.Game.Rulesets.Osu.Tests/LegacyMainCirclePieceTest.cs b/osu.Game.Rulesets.Osu.Tests/LegacyMainCirclePieceTest.cs
index fd5b6fd752..d8c10b814d 100644
--- a/osu.Game.Rulesets.Osu.Tests/LegacyMainCirclePieceTest.cs
+++ b/osu.Game.Rulesets.Osu.Tests/LegacyMainCirclePieceTest.cs
@@ -72,7 +72,11 @@ public void TestTexturePriorities(string[] textureFilenames, string priorityLook
             {
                 var skin = new Mock<ISkinSource>();
 
+                // shouldn't be required as GetTexture(string) calls GetTexture(string, WrapMode, WrapMode) by default,
+                // but moq doesn't handle that well, therefore explicitly requiring to use `CallBase`:
+                // https://github.com/moq/moq4/issues/972
                 skin.Setup(s => s.GetTexture(It.IsAny<string>())).CallBase();
+
                 skin.Setup(s => s.GetTexture(It.IsIn(textureFilenames), It.IsAny<WrapMode>(), It.IsAny<WrapMode>()))
                     .Returns((string componentName, WrapMode _, WrapMode __) => new Texture(1, 1) { AssetName = componentName });