diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..dfe0770
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+# Auto detect text files and perform LF normalization
+* text=auto
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f867683
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.meta
\ No newline at end of file
diff --git a/RScriptContext.cs b/RScriptContext.cs
index f122ffa..39ea410 100644
--- a/RScriptContext.cs
+++ b/RScriptContext.cs
@@ -362,7 +362,12 @@ namespace Convention.RScript
                 if (Variables.ContainsKey(varName))
                     Variables.SetValue(varName, varValue);
             }
-            return Variables.ToDictionary();
+            Dictionary<string, RScriptVariableEntry> result = new();
+            foreach (var (key, value) in Variables)
+            {
+                result[key] = value;
+            }
+            return result;
         }
     }
 }