diff --git a/Luaon.NET/LuaConvert.cs b/Luaon.NET/LuaConvert.cs
index f386155..2fd7b06 100644
--- a/Luaon.NET/LuaConvert.cs
+++ b/Luaon.NET/LuaConvert.cs
@@ -445,7 +445,7 @@ internal static void WriteEscapedString(string value, StringDelimiterInfo delimi
                     switch (c)
                     {
                         case '\\':
-                            writer.Write("\\");
+                            writer.Write("\\\\");
                             break;
                         case '\a':
                             writer.Write("\\a");
diff --git a/XUnitTestProject1/Tests/LuaConvertTests.cs b/XUnitTestProject1/Tests/LuaConvertTests.cs
index f5a2901..dca76df 100644
--- a/XUnitTestProject1/Tests/LuaConvertTests.cs
+++ b/XUnitTestProject1/Tests/LuaConvertTests.cs
@@ -15,7 +15,7 @@ public LuaConvertTests(ITestOutputHelper output) : base(output)
         [Fact]
         public void ToStringTest()
         {
-            Assert.Equal(@"""test\a\b\r\n\""abc""", LuaConvert.ToString("test\a\b\r\n\"abc"));
+            Assert.Equal(@"""test \\ \a\b\r\n\""abc""", LuaConvert.ToString("test \\ \a\b\r\n\"abc"));
             Assert.Equal(@"'abc""def'", LuaConvert.ToString("abc\"def", "'"));
             Assert.Equal(@"[[test]]", LuaConvert.ToString("test", "[["));
             Assert.Equal(@"[==[test]==]", LuaConvert.ToString("test", "[==["));