diff --git a/ClassicalSharp/Utils/Options.cs b/ClassicalSharp/Utils/Options.cs
index 595f2fd74..e7d589d32 100644
--- a/ClassicalSharp/Utils/Options.cs
+++ b/ClassicalSharp/Utils/Options.cs
@@ -80,6 +80,13 @@ namespace ClassicalSharp {
 		public static List<string> OptionsChanged = new List<string>();
 		const string Filename = "options.txt";
 		
+		static bool IsChangedOption(string key) {
+			for (int i = 0; i < OptionsChanged.Count; i++) {
+				if (Utils.CaselessEquals(key, OptionsChanged[i])) return true;
+			}
+			return false;
+		}
+		
 		static bool TryGetValue(string key, out string value) {
 			value = null;		
 			int i = FindOption(key);
@@ -157,7 +164,7 @@ namespace ClassicalSharp {
 				SetOption(key, value);
 			}
 			
-			if (!OptionsChanged.Contains(key)) {
+			if (!IsChangedOption(key)) {
 				OptionsChanged.Add(key);
 			}
 		}
@@ -204,7 +211,7 @@ namespace ClassicalSharp {
 			// remove all the unchanged options
 			for (int i = OptionsKeys.Count - 1; i >= 0; i--) {
 				string key = OptionsKeys[i];
-				if (OptionsChanged.Contains(key)) continue;
+				if (IsChangedOption(key)) continue;
 				RemoveOption(i);
 			}
 
@@ -220,7 +227,7 @@ namespace ClassicalSharp {
 				if (sepIndex == line.Length) continue;
 				string value = line.Substring(sepIndex, line.Length - sepIndex);
 				
-				if (!OptionsChanged.Contains(key)) {
+				if (!IsChangedOption(key)) {
 					SetOption(key, value);
 				}
 			}