1 files changed, 6 insertions, 0 deletions
diff --git a/src/SMAPI/Metadata/CoreAssetPropagator.cs b/src/SMAPI/Metadata/CoreAssetPropagator.cs
index 424abc18..159e19fd 100644
--- a/src/SMAPI/Metadata/CoreAssetPropagator.cs
+++ b/src/SMAPI/Metadata/CoreAssetPropagator.cs
@@ -1238,6 +1238,9 @@ namespace StardewModdingAPI.Metadata
         /// <param name="right">The second value to compare.</param>
         private bool IsSameBaseName(IAssetName left, string right)
         {
+            if (left is null || right is null)
+                return false;
+
             IAssetName parsedB = this.ParseAssetNameOrNull(right);
             return this.IsSameBaseName(left, parsedB);
         }
@@ -1247,6 +1250,9 @@ namespace StardewModdingAPI.Metadata
         /// <param name="right">The second value to compare.</param>
         private bool IsSameBaseName(IAssetName left, IAssetName right)
         {
+            if (left is null || right is null)
+                return false;
+
             return left.IsEquivalentTo(right.BaseName, useBaseName: true);
         }