diff --git a/ext/js/dictionary/dictionary-data-util.js b/ext/js/dictionary/dictionary-data-util.js
index 1b337d53a..46fb8e924 100644
--- a/ext/js/dictionary/dictionary-data-util.js
+++ b/ext/js/dictionary/dictionary-data-util.js
@@ -94,7 +94,7 @@ export function groupTermFrequencies(dictionaryEntry, dictionaryInfo) {
             });
         }
         const currentDictionaryInfo = dictionaryInfo.find(({title}) => title === dictionary);
-        const freqCount = currentDictionaryInfo?.counts.termMeta.freq ?? 0;
+        const freqCount = currentDictionaryInfo?.counts?.termMeta.freq ?? 0;
         results.push({dictionary, frequencies, dictionaryAlias, freqCount});
     }
     return results;
@@ -138,7 +138,7 @@ export function groupKanjiFrequencies(sourceFrequencies, dictionaryInfo) {
             });
         }
         const currentDictionaryInfo = dictionaryInfo.find(({title}) => title === dictionary);
-        const freqCount = currentDictionaryInfo?.counts.kanjiMeta.freq ?? 0;
+        const freqCount = currentDictionaryInfo?.counts?.kanjiMeta.freq ?? 0;
         results.push({dictionary, frequencies, dictionaryAlias, freqCount});
     }
     return results;
diff --git a/ext/js/display/display-generator.js b/ext/js/display/display-generator.js
index b163e01ab..e19dbb61b 100644
--- a/ext/js/display/display-generator.js
+++ b/ext/js/display/display-generator.js
@@ -159,8 +159,8 @@ export class DisplayGenerator {
                         dictionaryContentArray.push('URL: ' + currentDictionaryInfo.url);
                     }
 
-                    const totalTerms = currentDictionaryInfo.counts.terms.total;
-                    if (totalTerms > 0) {
+                    const totalTerms = currentDictionaryInfo?.counts?.terms?.total;
+                    if (!!totalTerms && totalTerms > 0) {
                         dictionaryContentArray.push('Term Count: ' + totalTerms.toString());
                     }
 
@@ -218,8 +218,8 @@ export class DisplayGenerator {
                 dictionaryContentArray.push('URL: ' + currentDictionaryInfo.url);
             }
 
-            const totalKanji = currentDictionaryInfo.counts.kanji.total;
-            if (totalKanji > 0) {
+            const totalKanji = currentDictionaryInfo?.counts?.kanji?.total;
+            if (!!totalKanji && totalKanji > 0) {
                 dictionaryContentArray.push('Kanji Count: ' + totalKanji.toString());
             }
 
diff --git a/ext/js/pages/settings/dictionary-controller.js b/ext/js/pages/settings/dictionary-controller.js
index 5f4a44035..e2fcf1e32 100644
--- a/ext/js/pages/settings/dictionary-controller.js
+++ b/ext/js/pages/settings/dictionary-controller.js
@@ -274,10 +274,10 @@ class DictionaryEntry {
         outdateElement.hidden = (version >= 3);
         countsElement.textContent = this._counts !== null ? JSON.stringify(this._counts, null, 4) : '';
         wildcardSupportedElement.checked = prefixWildcardsSupported;
-        partsOfSpeechFilterSetting.hidden = !counts.terms.total;
+        partsOfSpeechFilterSetting.hidden = !counts?.terms.total;
         partsOfSpeechFilterToggle.dataset.setting = `dictionaries[${this._index}].partsOfSpeechFilter`;
 
-        useDeinflectionsSetting.hidden = !counts.terms.total;
+        useDeinflectionsSetting.hidden = !counts?.terms.total;
         useDeinflectionsToggle.dataset.setting = `dictionaries[${this._index}].useDeinflections`;
 
         this._setupDetails(detailsTableElement);
diff --git a/types/ext/dictionary-importer.d.ts b/types/ext/dictionary-importer.d.ts
index 9dd50a68a..97472e6cf 100644
--- a/types/ext/dictionary-importer.d.ts
+++ b/types/ext/dictionary-importer.d.ts
@@ -49,7 +49,7 @@ export type Summary = {
     version: number;
     importDate: number;
     prefixWildcardsSupported: boolean;
-    counts: SummaryCounts;
+    counts?: SummaryCounts;
     styles: string;
     isUpdatable?: boolean;
     indexUrl?: string;