diff --git a/src/api/scenarioData/scenarioData.service.spec.ts b/src/api/scenarioData/scenarioData.service.spec.ts
index 3988db5..68c725b 100644
--- a/src/api/scenarioData/scenarioData.service.spec.ts
+++ b/src/api/scenarioData/scenarioData.service.spec.ts
@@ -267,12 +267,13 @@ describe('ScenarioDataService', () => {
     it('should return scenarios by filename', async () => {
       const goRulesJSONFilename = 'test.json';
       const scenarioDataList: ScenarioData[] = [mockScenarioData];
+      scenarioDataList[0].goRulesJSONFilename = goRulesJSONFilename;
       MockScenarioDataModel.find = jest.fn().mockReturnValue({ exec: jest.fn().mockResolvedValue(scenarioDataList) });
 
       const result = await service.getScenariosByFilename(goRulesJSONFilename);
 
       expect(result).toEqual(scenarioDataList);
-      expect(MockScenarioDataModel.find).toHaveBeenCalledWith({ goRulesJSONFilename });
+      expect(MockScenarioDataModel.find).toHaveBeenCalledWith({ goRulesJSONFilename: { $eq: goRulesJSONFilename } });
     });
 
     it('should throw an error if an error occurs while retrieving scenarios by filename', async () => {
@@ -287,7 +288,7 @@ describe('ScenarioDataService', () => {
         await service.getScenariosByFilename(goRulesJSONFilename);
       }).rejects.toThrowError(`Error getting scenarios by filename: ${errorMessage}`);
 
-      expect(MockScenarioDataModel.find).toHaveBeenCalledWith({ goRulesJSONFilename });
+      expect(MockScenarioDataModel.find).toHaveBeenCalledWith({ goRulesJSONFilename: { $eq: goRulesJSONFilename } });
     });
   });
   describe('runDecisionsForScenarios', () => {
diff --git a/src/api/scenarioData/scenarioData.service.ts b/src/api/scenarioData/scenarioData.service.ts
index b2d27ed..5105949 100644
--- a/src/api/scenarioData/scenarioData.service.ts
+++ b/src/api/scenarioData/scenarioData.service.ts
@@ -86,7 +86,7 @@ export class ScenarioDataService {
 
   async getScenariosByFilename(goRulesJSONFilename: string): Promise<ScenarioData[]> {
     try {
-      return await this.scenarioDataModel.find({ goRulesJSONFilename: goRulesJSONFilename }).exec();
+      return await this.scenarioDataModel.find({ goRulesJSONFilename: { $eq: goRulesJSONFilename } }).exec();
     } catch (error) {
       throw new Error(`Error getting scenarios by filename: ${error.message}`);
     }