diff --git a/ext/js/language/dictionary-importer.js b/ext/js/language/dictionary-importer.js
index 4144de66..0a10900d 100644
--- a/ext/js/language/dictionary-importer.js
+++ b/ext/js/language/dictionary-importer.js
@@ -476,12 +476,16 @@ class DictionaryImporter {
     }
 
     _convertTermBankEntryV1(entry, dictionary) {
-        const [expression, reading, definitionTags, rules, score, ...glossary] = entry;
+        let [expression, reading, definitionTags, rules, score, ...glossary] = entry;
+        expression = this._normalizeTermOrReading(expression);
+        reading = this._normalizeTermOrReading(reading.length > 0 ? reading : expression);
         return {expression, reading, definitionTags, rules, score, glossary, dictionary};
     }
 
     _convertTermBankEntryV3(entry, dictionary) {
-        const [expression, reading, definitionTags, rules, score, glossary, sequence, termTags] = entry;
+        let [expression, reading, definitionTags, rules, score, glossary, sequence, termTags] = entry;
+        expression = this._normalizeTermOrReading(expression);
+        reading = this._normalizeTermOrReading(reading.length > 0 ? reading : expression);
         return {expression, reading, definitionTags, rules, score, glossary, sequence, termTags, dictionary};
     }
 
@@ -580,4 +584,12 @@ class DictionaryImporter {
         }
         return counts;
     }
+
+    _normalizeTermOrReading(text) {
+        try {
+            return text.normalize('NFC');
+        } catch (e) {
+            return text;
+        }
+    }
 }