diff --git a/Userland/Libraries/LibTextCodec/Decoder.cpp b/Userland/Libraries/LibTextCodec/Decoder.cpp
index a5869e55fb7..e0e795c7c2f 100644
--- a/Userland/Libraries/LibTextCodec/Decoder.cpp
+++ b/Userland/Libraries/LibTextCodec/Decoder.cpp
@@ -401,7 +401,7 @@ Optional<StringView> get_standardized_encoding(StringView encoding)
         return "ISO-8859-2"sv;
     if (encoding.is_one_of_ignoring_ascii_case("csisolatin3"sv, "iso-8859-3"sv, "iso-ir-109"sv, "iso8859-3"sv, "iso88593"sv, "iso_8859-3"sv, "iso_8859-3:1988"sv, "l3"sv, "latin3"sv))
         return "ISO-8859-3"sv;
-    if (encoding.is_one_of_ignoring_ascii_case("csisolatin4"sv, "iso-8859-4"sv, "iso-ir-110"sv, "iso8859-4"sv, "iso88594"sv, "iso_8859-4"sv, "iso_8859-4:1989"sv, "l4"sv, "latin4"sv))
+    if (encoding.is_one_of_ignoring_ascii_case("csisolatin4"sv, "iso-8859-4"sv, "iso-ir-110"sv, "iso8859-4"sv, "iso88594"sv, "iso_8859-4"sv, "iso_8859-4:1988"sv, "l4"sv, "latin4"sv))
         return "ISO-8859-4"sv;
     if (encoding.is_one_of_ignoring_ascii_case("csisolatincyrillic"sv, "cyrillic"sv, "iso-8859-5"sv, "iso-ir-144"sv, "iso8859-5"sv, "iso88595"sv, "iso_8859-5"sv, "iso_8859-5:1988"sv))
         return "ISO-8859-5"sv;
@@ -441,7 +441,7 @@ Optional<StringView> get_standardized_encoding(StringView encoding)
         return "windows-1252"sv;
     if (encoding.is_one_of_ignoring_ascii_case("cp1253"sv, "windows-1253"sv, "x-cp1253"sv))
         return "windows-1253"sv;
-    if (encoding.is_one_of_ignoring_ascii_case("cp1254"sv, "csisolatin5"sv, "iso-8859-9"sv, "iso-ir-148"sv, "iso-8859-9"sv, "iso-88599"sv, "iso_8859-9"sv, "iso_8859-9:1989"sv, "l5"sv, "latin5"sv, "windows-1254"sv, "x-cp1254"sv))
+    if (encoding.is_one_of_ignoring_ascii_case("cp1254"sv, "csisolatin5"sv, "iso-8859-9"sv, "iso-ir-148"sv, "iso8859-9"sv, "iso88599"sv, "iso_8859-9"sv, "iso_8859-9:1989"sv, "l5"sv, "latin5"sv, "windows-1254"sv, "x-cp1254"sv))
         return "windows-1254"sv;
     if (encoding.is_one_of_ignoring_ascii_case("cp1255"sv, "windows-1255"sv, "x-cp1255"sv))
         return "windows-1255"sv;