diff --git a/Il2CppInspector.Common/Outputs/CSharpCodeStubs.cs b/Il2CppInspector.Common/Outputs/CSharpCodeStubs.cs
index 57a6e90..8a304b7 100644
--- a/Il2CppInspector.Common/Outputs/CSharpCodeStubs.cs
+++ b/Il2CppInspector.Common/Outputs/CSharpCodeStubs.cs
@@ -440,7 +440,7 @@ namespace Il2CppInspector.Outputs
                 else {
                     // Replace indexer name (usually "Item" but not always) with "this" - preserves explicit interface implementations
                     if (prop.CSharpName.IndexOf('.') != -1)
-                        sb.Append(prop.CSharpName.Substring(0, prop.CSharpName.IndexOf('.') + 1));
+                        sb.Append(prop.CSharpName.Substring(0, prop.CSharpName.LastIndexOf('.') + 1));
                     sb.Append("this[" + string.Join(", ", primary.DeclaredParameters.SkipLast(getAccess >= setAccess ? 0 : 1)
                                   .Select(p => p.GetParameterString(scope, !SuppressMetadata, MustCompile))) + "] { ");
                     getBody = " => default;";