diff --git a/src/assets/wise5/components/match/match-student/match-student-default/match-student-default.component.ts b/src/assets/wise5/components/match/match-student/match-student-default/match-student-default.component.ts
index 02daaf0aac8..b4b072f3999 100644
--- a/src/assets/wise5/components/match/match-student/match-student-default/match-student-default.component.ts
+++ b/src/assets/wise5/components/match/match-student/match-student-default/match-student-default.component.ts
@@ -38,6 +38,7 @@ import { NotebookService } from '../../../../services/notebookService';
 import { ProjectService } from '../../../../services/projectService';
 import { StudentAssetService } from '../../../../services/studentAssetService';
 import { StudentDataService } from '../../../../services/studentDataService';
+import { CRaterIdea } from '../../../common/cRater/CRaterIdea';
 
 @Component({
   imports: [
@@ -613,11 +614,17 @@ export class MatchStudentDefaultComponent extends ComponentStudent {
   }
 
   private addIdeasToSourceBucket(responses: any[], rubric: CRaterRubric): void {
-    getUniqueIdeas(responses, rubric).forEach((idea) => {
-      const choice = new Choice(idea.name, idea.text);
-      this.choices.push(choice);
-      this.getBucketById(this.sourceBucketId).items.push(choice);
-    });
+    getUniqueIdeas(responses, rubric)
+      .filter((idea) => !this.isInSourceBucket(idea))
+      .forEach((idea) => {
+        const choice = new Choice(idea.name, idea.text);
+        this.choices.push(choice);
+        this.getBucketById(this.sourceBucketId).items.push(choice);
+      });
+  }
+
+  private isInSourceBucket(idea: CRaterIdea): boolean {
+    return this.sourceBucket.items.some((item) => item.value === idea.text);
   }
 
   protected addChoice(): void {
diff --git a/src/messages.xlf b/src/messages.xlf
index 9a3af762e7a..25381e04756 100644
--- a/src/messages.xlf
+++ b/src/messages.xlf
@@ -10945,7 +10945,7 @@ Click &quot;Cancel&quot; to keep the invalid JSON open so you can fix it.</sourc
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/assets/wise5/components/match/match-student/match-student-default/match-student-default.component.ts</context>
-          <context context-type="linenumber">125</context>
+          <context context-type="linenumber">126</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/assets/wise5/components/multipleChoice/multiple-choice-authoring/multiple-choice-authoring.component.html</context>
@@ -19584,7 +19584,7 @@ Warning: This will delete all existing choices and buckets in this component.</s
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/assets/wise5/components/match/match-student/match-student-default/match-student-default.component.ts</context>
-          <context context-type="linenumber">470</context>
+          <context context-type="linenumber">471</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/assets/wise5/components/multipleChoice/multiple-choice-show-work/multiple-choice-show-work.component.html</context>
@@ -19615,7 +19615,7 @@ Warning: This will delete all existing choices and buckets in this component.</s
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/assets/wise5/components/match/match-student/match-student-default/match-student-default.component.ts</context>
-          <context context-type="linenumber">470</context>
+          <context context-type="linenumber">471</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/assets/wise5/components/multipleChoice/multiple-choice-show-work/multiple-choice-show-work.component.html</context>
@@ -19680,7 +19680,7 @@ Warning: This will delete all existing choices and buckets in this component.</s
         <source>Correct bucket but wrong position</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/assets/wise5/components/match/match-student/match-student-default/match-student-default.component.ts</context>
-          <context context-type="linenumber">463</context>
+          <context context-type="linenumber">464</context>
         </context-group>
       </trans-unit>
       <trans-unit id="3309404570196522710" datatype="html">