diff --git a/de4dot.code/renamer/Renamer.cs b/de4dot.code/renamer/Renamer.cs
index 753138a2..3884d4fc 100644
--- a/de4dot.code/renamer/Renamer.cs
+++ b/de4dot.code/renamer/Renamer.cs
@@ -40,6 +40,7 @@ namespace de4dot.code.renamer {
 		public bool RestoreEvents { get; set; }
 		public bool RestoreEventsFromNames { get; set; }
 		public bool DontCreateNewParamDefs { get; set; }
+		public bool DontRenameDelegateFields { get; set; }
 
 		Modules modules;
 		MemberInfos memberInfos = new MemberInfos();
@@ -255,10 +256,13 @@ namespace de4dot.code.renamer {
 		void renameFields(TypeInfo info) {
 			if (!RenameFields)
 				return;
+			bool isDelegateType = isDelegateClass.check(info.type);
 			foreach (var fieldDef in info.type.AllFieldsSorted) {
 				var fieldInfo = memberInfos.field(fieldDef);
 				if (!fieldInfo.gotNewName())
 					continue;
+				if (isDelegateType && DontRenameDelegateFields)
+					continue;
 				fieldDef.FieldDef.Name = new UTF8String(fieldInfo.newName);
 				if (isVerbose)
 					Logger.v("Field: {0} ({1:X8}) => {2}",
diff --git a/de4dot.cui/CommandLineParser.cs b/de4dot.cui/CommandLineParser.cs
index 7f25bf44..8c874b0e 100644
--- a/de4dot.cui/CommandLineParser.cs
+++ b/de4dot.cui/CommandLineParser.cs
@@ -121,7 +121,7 @@ namespace de4dot.cui {
 			miscOptions.Add(new NoArgOption(null, "dont-rename", "Don't rename classes, methods, etc.", () => {
 				filesOptions.RenameSymbols = false;
 			}));
-			miscOptions.Add(new OneArgOption(null, "keep-names", "Don't rename n(amespaces), t(ypes), p(rops), e(vents), f(ields), m(ethods), a(rgs), g(enericparams). Can be combined, eg. efm", "flags", (val) => {
+			miscOptions.Add(new OneArgOption(null, "keep-names", "Don't rename n(amespaces), t(ypes), p(rops), e(vents), f(ields), m(ethods), a(rgs), g(enericparams), d(elegate fields). Can be combined, eg. efm", "flags", (val) => {
 				foreach (var c in val) {
 					switch (c) {
 					case 'n': filesOptions.RenameNamespaces = false; break;
@@ -132,6 +132,7 @@ namespace de4dot.cui {
 					case 'm': filesOptions.RenameMethods = false; break;
 					case 'a': filesOptions.RenameMethodArgs = false; break;
 					case 'g': filesOptions.RenameGenericParams = false; break;
+					case 'd': filesOptions.DontRenameDelegateFields = true; break;
 					default: throw new UserException(string.Format("Unrecognized --keep-names char: '{0}'", c));
 					}
 				}
diff --git a/de4dot.cui/FilesDeobfuscator.cs b/de4dot.cui/FilesDeobfuscator.cs
index 47c650ec..0ffc28e9 100644
--- a/de4dot.cui/FilesDeobfuscator.cs
+++ b/de4dot.cui/FilesDeobfuscator.cs
@@ -49,6 +49,7 @@ namespace de4dot.cui {
 			public bool RenameMethods { get; set; }
 			public bool RenameMethodArgs { get; set; }
 			public bool RenameGenericParams { get; set; }
+			public bool DontRenameDelegateFields { get; set; }
 			public bool RenameSymbols { get; set; }
 			public bool RestorePropsEvents { get; set; }
 			public bool ControlFlowDeobfuscation { get; set; }
@@ -400,6 +401,7 @@ namespace de4dot.cui {
 				RenameMethods = options.RenameMethods,
 				RenameMethodArgs = options.RenameMethodArgs,
 				RenameGenericParams = options.RenameGenericParams,
+				DontRenameDelegateFields = options.DontRenameDelegateFields,
 				RestorePropertiesFromNames = options.RestorePropsEvents,
 				RestoreEventsFromNames = options.RestorePropsEvents,
 			};