diff --git a/core_parsing.cpp b/core_parsing.cpp
index b44a725..0436fe8 100644
--- a/core_parsing.cpp
+++ b/core_parsing.cpp
@@ -927,6 +927,8 @@ parse_decl(B32 is_global) {
                 auto a = (Ast_Lambda *)expr;
                 if (a->scope || is_flag_set(flags, AST_FOREIGN)) {
                     result->kind = AST_LAMBDA;
+                    if (is_flag_set(a->flags, AST_POLYMORPH))
+                        set_flag(result->flags, AST_POLYMORPH);
                     if (is_flag_set(flags, AST_FOREIGN))
                         set_flag(expr->flags, flags);
                 }