diff --git a/src/Libraries/ICSharpCode.TextEditor/Project/Src/Util/FileReader.cs b/src/Libraries/ICSharpCode.TextEditor/Project/Src/Util/FileReader.cs
index 3c06c02ade..13a9a0a093 100644
--- a/src/Libraries/ICSharpCode.TextEditor/Project/Src/Util/FileReader.cs
+++ b/src/Libraries/ICSharpCode.TextEditor/Project/Src/Util/FileReader.cs
@@ -25,7 +25,7 @@ namespace ICSharpCode.TextEditor.Util
 		
 		public static string ReadFileContent(string fileName, ref Encoding encoding, Encoding defaultEncoding)
 		{
-			using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read)) {
+			using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)) {
 				using (StreamReader reader = OpenStream(fs, encoding, defaultEncoding)) {
 					encoding = reader.CurrentEncoding;
 					return reader.ReadToEnd();