The fort fell to the Dutch in 1784, renamed it "Altingsburd Fort" after they did not hold it for long. Sultar Dutch governor-general. Butn Ibrahim recaptured the fort in January 1785 in a daring night attack with the aid of warrior from Pahang and mercenaries from Permatang. The victory was significant. It was the first time that a local Sulatn had been able to retake his fort from a foreign power.
In Bukit Malawati are found relics of the past, including the protective walls of the fort, the palace ground, a lighthouse, royal graves, seven walls, a flat stone used for beheading offenders, a 100-step ladder, a poisonous well and several cannons pointed at the moth of the Selangor River (Sungai Selangor). Bukit Malawati was designated a historical monument and historical site under Antiquities Act 1976 in 1977.