2 files changed, 7 insertions, 1 deletions
diff --git a/ports/webassembly/main.c b/ports/webassembly/main.c
index c542f0cd72..770dfbe0ca 100644
--- a/ports/webassembly/main.c
+++ b/ports/webassembly/main.c
@@ -233,7 +233,7 @@ void nlr_jump_fail(void *val) {
     }
 }
 
-void NORETURN __fatal_error(const char *msg) {
+void MP_NORETURN __fatal_error(const char *msg) {
     while (1) {
         ;
     }
diff --git a/ports/webassembly/objpyproxy.js b/ports/webassembly/objpyproxy.js
index 3b94f8aadc..0eafd0dec5 100644
--- a/ports/webassembly/objpyproxy.js
+++ b/ports/webassembly/objpyproxy.js
@@ -148,6 +148,12 @@ const py_proxy_handler = {
         };
     },
     has(target, prop) {
+        // avoid throwing on `Symbol() in proxy` checks
+        if (typeof prop !== "string") {
+            // returns true only on iterator because other
+            // symbols are not considered in the `get` trap
+            return prop === Symbol.iterator;
+        }
         return Module.ccall(
             "proxy_c_to_js_has_attr",
             "number",