diff --git a/main.c b/main.c
index 16404f3..fdb9eb6 100644
--- a/main.c
+++ b/main.c
@@ -19,7 +19,7 @@
 #define OCT_VERS 5
 #define OCT_INVALID_ARGUMENT 6
 #define OCT_NETWORK_ERROR 7
-#define OCT_LUA_FILE_SYNTAX_ERROR 8
+#define OCT_LUA_FILE_ERROR 8
 
 #define OCT_MAX_FILENAME_SIZE 1024
 
@@ -81,8 +81,8 @@ int main(int argc, char* argv[]) {
 		fprintf(stderr, "Error: network\n");
 		deinitialize_everything();
 		return EXIT_FAILURE;
-	case OCT_LUA_FILE_SYNTAX_ERROR:
-		fprintf(stderr, "Error: given lua file had syntax error\n");
+	case OCT_LUA_FILE_ERROR:
+		fprintf(stderr, "Error: given lua file had error\n");
 		deinitialize_everything();
 		return EXIT_FAILURE;
 	}
@@ -118,7 +118,10 @@ int main(int argc, char* argv[]) {
 			lua_getglobal(L, "oct_loop");
 			lua_pushinteger(L, 0);
 			lua_pushinteger(L, 0);
-			lua_call(L, 2, 0);
+			if (lua_pcall(L, 2, 0, 0) != LUA_OK) {
+				OCT_LOG_ERROR("%s", luaL_checkstring(L, -1));
+				finish = 1;
+			}
 			oct_network_send_msg();
 		}
 	}
@@ -227,11 +230,14 @@ int initialize_everything(char* lua_file) {
 	oct_log_init_lua(L);
 	if (luaL_dofile(L, lua_file)) {
 		OCT_LOG_ERROR("%s", luaL_checkstring(L, -1));
-		return OCT_LUA_FILE_SYNTAX_ERROR;
+		return OCT_LUA_FILE_ERROR;
 	}
 	OCT_LOG_INFO("Begin running oct_init()");
 	lua_getglobal(L, "oct_init");
-	lua_call(L, 0, 2);
+	if (lua_pcall(L, 0, 2, 0) != LUA_OK) {
+		OCT_LOG_ERROR("%s", luaL_checkstring(L, -1));
+		return OCT_LUA_FILE_ERROR;
+	}
 	config.needs_networking = lua_tointeger(L, -2);
 	config.needs_termbox = lua_tointeger(L, -1);
 	OCT_LOG_INFO("Finish running oct_init()");