diff --git a/Userland/Libraries/LibJS/Runtime/Value.cpp b/Userland/Libraries/LibJS/Runtime/Value.cpp
index 175bbde987..5ed60fefd9 100644
--- a/Userland/Libraries/LibJS/Runtime/Value.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Value.cpp
@@ -524,7 +524,7 @@ static Optional<NumberParseResult> parse_number_text(StringView text)
 }
 
 // 7.1.4.1.1 StringToNumber ( str ), https://tc39.es/ecma262/#sec-stringtonumber
-static Optional<Value> string_to_number(StringView string)
+Optional<Value> string_to_number(StringView string)
 {
     // 1. Let text be StringToCodePoints(str).
     String text = Utf8View(string).trim(whitespace_characters, AK::TrimMode::Both).as_string();
diff --git a/Userland/Libraries/LibJS/Runtime/Value.h b/Userland/Libraries/LibJS/Runtime/Value.h
index b02f05b8f3..ef65ca09cc 100644
--- a/Userland/Libraries/LibJS/Runtime/Value.h
+++ b/Userland/Libraries/LibJS/Runtime/Value.h
@@ -564,6 +564,8 @@ ThrowCompletionOr<TriState> is_less_than(VM&, Value lhs, Value rhs, bool left_fi
 
 double to_integer_or_infinity(double);
 
+Optional<Value> string_to_number(StringView);
+
 inline bool Value::operator==(Value const& value) const { return same_value(*this, value); }
 
 }