diff --git a/Userland/Libraries/LibJS/Runtime/StringPrototype.cpp b/Userland/Libraries/LibJS/Runtime/StringPrototype.cpp
index b3546af3ec..d739cedf33 100644
--- a/Userland/Libraries/LibJS/Runtime/StringPrototype.cpp
+++ b/Userland/Libraries/LibJS/Runtime/StringPrototype.cpp
@@ -452,7 +452,6 @@ JS_DEFINE_NATIVE_FUNCTION(StringPrototype::pad_end)
     return pad_string(global_object, move(string), PadPlacement::End);
 }
 
-static constexpr Utf8View whitespace_characters = Utf8View("\x09\x0A\x0B\x0C\x0D\x20\xC2\xA0\xE1\x9A\x80\xE2\x80\x80\xE2\x80\x81\xE2\x80\x82\xE2\x80\x83\xE2\x80\x84\xE2\x80\x85\xE2\x80\x86\xE2\x80\x87\xE2\x80\x88\xE2\x80\x89\xE2\x80\x8A\xE2\x80\xAF\xE2\x81\x9F\xE3\x80\x80\xE2\x80\xA8\xE2\x80\xA9\xEF\xBB\xBF"sv);
 ThrowCompletionOr<String> trim_string(GlobalObject& global_object, Value input_value, TrimMode where)
 {
     // 1. Let str be ? RequireObjectCoercible(string).
diff --git a/Userland/Libraries/LibJS/Runtime/StringPrototype.h b/Userland/Libraries/LibJS/Runtime/StringPrototype.h
index 1a3a7371a4..437fe196d7 100644
--- a/Userland/Libraries/LibJS/Runtime/StringPrototype.h
+++ b/Userland/Libraries/LibJS/Runtime/StringPrototype.h
@@ -17,6 +17,7 @@ struct CodePoint {
 };
 
 CodePoint code_point_at(Utf16View const& string, size_t position);
+static constexpr Utf8View whitespace_characters = Utf8View("\x09\x0A\x0B\x0C\x0D\x20\xC2\xA0\xE1\x9A\x80\xE2\x80\x80\xE2\x80\x81\xE2\x80\x82\xE2\x80\x83\xE2\x80\x84\xE2\x80\x85\xE2\x80\x86\xE2\x80\x87\xE2\x80\x88\xE2\x80\x89\xE2\x80\x8A\xE2\x80\xAF\xE2\x81\x9F\xE3\x80\x80\xE2\x80\xA8\xE2\x80\xA9\xEF\xBB\xBF"sv);
 ThrowCompletionOr<String> trim_string(GlobalObject&, Value string, TrimMode where);
 
 class StringPrototype final : public StringObject {
diff --git a/Userland/Libraries/LibJS/Runtime/Value.cpp b/Userland/Libraries/LibJS/Runtime/Value.cpp
index 017144fdd9..06fdd8c0c7 100644
--- a/Userland/Libraries/LibJS/Runtime/Value.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Value.cpp
@@ -31,6 +31,7 @@
 #include <LibJS/Runtime/ProxyObject.h>
 #include <LibJS/Runtime/RegExpObject.h>
 #include <LibJS/Runtime/StringObject.h>
+#include <LibJS/Runtime/StringPrototype.h>
 #include <LibJS/Runtime/SymbolObject.h>
 #include <LibJS/Runtime/VM.h>
 #include <LibJS/Runtime/Value.h>
@@ -476,7 +477,7 @@ ThrowCompletionOr<Value> Value::to_number(GlobalObject& global_object) const
     case Type::Double:
         return *this;
     case Type::String: {
-        auto string = as_string().string().trim_whitespace();
+        String string = Utf8View(as_string().string()).trim(whitespace_characters, AK::TrimMode::Both).as_string();
         if (string.is_empty())
             return Value(0);
         if (string == "Infinity" || string == "+Infinity")