diff --git a/Userland/Libraries/LibJS/Parser.cpp b/Userland/Libraries/LibJS/Parser.cpp
index 58329d7714..867cc79c3f 100644
--- a/Userland/Libraries/LibJS/Parser.cpp
+++ b/Userland/Libraries/LibJS/Parser.cpp
@@ -4582,4 +4582,7 @@ Parser::ForbiddenTokens Parser::ForbiddenTokens::forbid(std::initializer_list<To
     return result;
 }
 
+template NonnullRefPtr<FunctionExpression> Parser::parse_function_node(u8, Optional<Position> const&);
+template NonnullRefPtr<FunctionDeclaration> Parser::parse_function_node(u8, Optional<Position> const&);
+
 }