diff --git a/rules/nan/nan-latn-pehoeji-transliteration.js b/rules/nan/nan-latn-pehoeji-transliteration.js
index 953c066e..8dd4570f 100644
--- a/rules/nan/nan-latn-pehoeji-transliteration.js
+++ b/rules/nan/nan-latn-pehoeji-transliteration.js
@@ -92,6 +92,7 @@
 			[ '(^|[^i])o(ⁿ|aⁿ?|e|m|ng)?(7|_)', '$1ō$2' ],
 			[ '(^|[^i])o(hⁿ?|k)(8|\')', '$1o̍$2' ],
 			[ '(^|[^i])oeh8', '$1oe̍h' ],
+			[ 'ou', 'o͘' ],
 			[ 'o͘1', 'o͘' ],
 			[ 'o͘(2|\\\/)', 'ó͘' ],
 			[ 'o͘(3|\\\\)', 'ò͘' ],
diff --git a/test/jquery.ime.test.fixtures.js b/test/jquery.ime.test.fixtures.js
index 4699a57a..c296c8ce 100644
--- a/test/jquery.ime.test.fixtures.js
+++ b/test/jquery.ime.test.fixtures.js
@@ -5157,7 +5157,7 @@ var palochkaVariants = {
 			{ input: 'ap\'', output: 'a̍p', description: 'Hokkien Pe̍h-ōe-jī a̍p' },
 			{ input: 'khoann3', output: 'khòaⁿ', description: 'Hokkien Pe̍h-ōe-jī khòaⁿ' },
 			{ input: 'khoai3', output: 'khoài', description: 'Hokkien Pe̍h-ōe-jī khoài' },
-			{ input: 'kong3', output: 'kòng', description: 'Hokkien Pe̍h-ōe-jī kòng' }
+			{ input: 'ouh8', output: 'o̍͘h', description: 'Hokkien Pe̍h-ōe-jī o̍͘h' }
 		]
 	},
 	{