diff --git a/ext/bg/lang/deinflect.json b/ext/bg/lang/deinflect.json
index 5a2d8ceb..a1ec6eb0 100644
--- a/ext/bg/lang/deinflect.json
+++ b/ext/bg/lang/deinflect.json
@@ -521,6 +521,7 @@
     ],
     "potential or passive": [
         {"kanaIn": "られる", "kanaOut": "る", "rulesIn": ["v1"], "rulesOut": ["v1"]},
+        {"kanaIn": "ざれる", "kanaOut": "ずる", "rulesIn": ["v1"], "rulesOut": ["vz"]},
         {"kanaIn": "ぜられる", "kanaOut": "ずる", "rulesIn": ["v1"], "rulesOut": ["vz"]},
         {"kanaIn": "せられる", "kanaOut": "する", "rulesIn": ["v1"], "rulesOut": ["vs"]},
         {"kanaIn": "為られる", "kanaOut": "為る", "rulesIn": ["v1"], "rulesOut": ["vs"]},
diff --git a/test/test-deinflector.js b/test/test-deinflector.js
index 68500681..6ab00a94 100644
--- a/test/test-deinflector.js
+++ b/test/test-deinflector.js
@@ -695,6 +695,7 @@ function testDeinflections() {
                 {term: '論ずる', source: '論じました',       rule: 'vz', reasons: ['polite past']},
                 {term: '論ずる', source: '論じて',           rule: 'vz', reasons: ['-te']},
                 {term: '論ずる', source: '論ぜられる',       rule: 'vz', reasons: ['potential or passive']},
+                {term: '論ずる', source: '論ざれる',         rule: 'vz', reasons: ['potential or passive']},
                 {term: '論ずる', source: '論じされる',       rule: 'vz', reasons: ['passive']},
                 {term: '論ずる', source: '論ぜされる',       rule: 'vz', reasons: ['passive']},
                 {term: '論ずる', source: '論じさせる',       rule: 'vz', reasons: ['causative']},