diff --git a/.gitignore b/.gitignore
index bdf4baa..2485169 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,6 +19,7 @@ godot-cpp/gen/
 # Editor/OS noise
 .vscode/
 .idea/
+*.code-workspace
 .DS_Store
 Thumbs.db
 
diff --git a/.sconsign.dblite b/.sconsign.dblite
index 9cd0717..4f4a346 100644
Binary files a/.sconsign.dblite and b/.sconsign.dblite differ
diff --git a/demo/test_runtime.gd b/demo/test_runtime.gd
index 0637bf5..807f91c 100644
--- a/demo/test_runtime.gd
+++ b/demo/test_runtime.gd
@@ -136,7 +136,7 @@ func _expect_runtime_error(source: String, expected_error: String) -> bool:
 	if result.ok:
 		push_error("expected runtime error, got success: " + str(result))
 		return false
-	if not str(result.error).contains(expected_error) or not str(result.error).contains("[string \"<string>\"]"):
+	if not str(result.error).contains(expected_error) or not str(result.error).contains("stack traceback"):
 		push_error("unexpected runtime error: " + str(result.error))
 		return false
 	return true
diff --git a/src/onebit_lua_runtime.cpp b/src/onebit_lua_runtime.cpp
index 3617670..2be3e05 100644
--- a/src/onebit_lua_runtime.cpp
+++ b/src/onebit_lua_runtime.cpp
@@ -314,7 +314,7 @@ Dictionary OneBitLuaRuntime::call_event(const String &event_name, const Dictiona
 	int error_handler = function_index;
 
 	lua_sethook(lua, &OneBitLuaRuntime::_instruction_hook, LUA_MASKCOUNT, int(instruction_budget));
-	int status = lua_pcall(lua, 2 + int(args.size()), 0, 0);
+	int status = lua_pcall(lua, 2 + int(args.size()), 0, error_handler);
 	lua_sethook(lua, nullptr, 0, 0);
 
 	if (status != LUA_OK) {
diff --git a/src/onebit_lua_runtime.os b/src/onebit_lua_runtime.os
index 3ae42f1..ffe8141 100644
Binary files a/src/onebit_lua_runtime.os and b/src/onebit_lua_runtime.os differ