diff --git a/Userland/Libraries/LibWasm/AbstractMachine/AbstractMachine.cpp b/Userland/Libraries/LibWasm/AbstractMachine/AbstractMachine.cpp
index 5b1adfb8b76..7187c314d8d 100644
--- a/Userland/Libraries/LibWasm/AbstractMachine/AbstractMachine.cpp
+++ b/Userland/Libraries/LibWasm/AbstractMachine/AbstractMachine.cpp
@@ -425,7 +425,9 @@ InstantiationResult AbstractMachine::instantiate(Module const& module, Vector<Ex
             instantiation_result = InstantiationError { ByteString::formatted("Start section function referenced invalid index {} of max {} entries", index.value(), functions.size()) };
             return;
         }
-        invoke(functions[index.value()], {});
+        auto result = invoke(functions[index.value()], {});
+        if (result.is_trap())
+            instantiation_result = InstantiationError { ByteString::formatted("Start function trapped: {}", result.trap().reason) };
     });
 
     if (instantiation_result.has_value())