diff --git a/src/addon/mod/glossary/components/index/addon-mod-glossary-index.html b/src/addon/mod/glossary/components/index/addon-mod-glossary-index.html
index 4ab42f08d..235c51297 100644
--- a/src/addon/mod/glossary/components/index/addon-mod-glossary-index.html
+++ b/src/addon/mod/glossary/components/index/addon-mod-glossary-index.html
@@ -41,7 +41,7 @@
                     {{ 'addon.mod_glossary.entriestobesynced' | translate }}
                 </ion-item-divider>
                 <a ion-item *ngFor="let entry of offlineEntries" (click)="openNewEntry(entry)" detail-none>
-                    <p>{{entry.concept}}</p>
+                    <p><core-format-text [text]="entry.concept" contextLevel="module" [contextInstanceId]="glossary.coursemodule" [courseId]="courseId"></core-format-text></p>
                 </a>
             </ion-list>
 
@@ -53,7 +53,7 @@
                     </ion-item-divider>
 
                     <a ion-item (click)="openEntry(entry.id)" [class.core-split-item-selected]="entry.id == selectedEntry" detail-none>
-                        <p>{{entry.concept}}</p>
+                        <p><core-format-text [text]="entry.concept" contextLevel="module" [contextInstanceId]="glossary.coursemodule" [courseId]="courseId"></core-format-text></p>
                     </a>
                 </ng-container>
             </ion-list>
diff --git a/src/addon/mod/glossary/components/index/index.ts b/src/addon/mod/glossary/components/index/index.ts
index c12178ba2..41bfbd760 100644
--- a/src/addon/mod/glossary/components/index/index.ts
+++ b/src/addon/mod/glossary/components/index/index.ts
@@ -320,7 +320,12 @@ export class AddonModGlossaryIndexComponent extends CoreCourseModuleMainActivity
                 this.fetchFunction = this.glossaryProvider.getEntriesByLetter;
                 this.fetchInvalidate = this.glossaryProvider.invalidateEntriesByLetter;
                 this.fetchArguments = [this.glossary.id, 'ALL'];
-                this.getDivider = (entry: any): string => entry.concept.substr(0, 1).toUpperCase();
+                this.getDivider = (entry: any): string => {
+                    // Try to get the first letter without HTML tags.
+                    const noTags = this.textUtils.cleanTags(entry.concept);
+
+                    return (noTags || entry.concept).substr(0, 1).toUpperCase();
+                };
                 this.showDivider = (entry?: any, previous?: any): boolean  => {
                     return !previous || this.getDivider(entry) != this.getDivider(previous);
                 };