diff --git a/Libraries/LibTextCodec/Decoder.cpp b/Libraries/LibTextCodec/Decoder.cpp
index 1619e580700..a00c6c64939 100644
--- a/Libraries/LibTextCodec/Decoder.cpp
+++ b/Libraries/LibTextCodec/Decoder.cpp
@@ -65,12 +65,8 @@ String Latin1Decoder::to_utf8(const StringView& input)
     StringBuilder builder(input.length());
     for (size_t i = 0; i < input.length(); ++i) {
         u8 ch = input[i];
-        if (ch & 0x80) {
-            builder.append(0xc0 | (ch >> 6));
-            builder.append(0x80 | (ch & 0x3f));
-        } else {
-            builder.append(ch);
-        }
+        // Latin1 is the same as the first 256 Unicode codepoints, so no mapping is needed, just utf-8 encoding.
+        builder.append_codepoint(ch);
     }
     return builder.to_string();
 }