diff --git a/event_reporter/reporter/app_revision.go b/event_reporter/reporter/app_revision.go
index d03114b29a3a1d..7500625893ec28 100644
--- a/event_reporter/reporter/app_revision.go
+++ b/event_reporter/reporter/app_revision.go
@@ -42,11 +42,14 @@ func (s *applicationEventReporter) getRevisionsDetails(ctx context.Context, a *a
 			continue
 		}
 
+		sourceIndex := int32(idx)
+
 		rm, err := s.applicationServiceClient.RevisionMetadata(ctx, &application.RevisionMetadataQuery{
 			Name:         &a.Name,
 			AppNamespace: &a.Namespace,
 			Revision:     &revision,
 			Project:      &project,
+			SourceIndex:  &sourceIndex,
 		})
 		if err != nil {
 			return nil, err
diff --git a/event_reporter/reporter/app_revision_test.go b/event_reporter/reporter/app_revision_test.go
index e0649e76151120..ee9e97af06b343 100644
--- a/event_reporter/reporter/app_revision_test.go
+++ b/event_reporter/reporter/app_revision_test.go
@@ -5,28 +5,14 @@ import (
 	"github.com/argoproj/argo-cd/v2/event_reporter/application/mocks"
 	"github.com/argoproj/argo-cd/v2/event_reporter/metrics"
 	"github.com/argoproj/argo-cd/v2/event_reporter/utils"
-	appclient "github.com/argoproj/argo-cd/v2/pkg/apiclient/application"
-
+	"github.com/argoproj/argo-cd/v2/pkg/apiclient/application"
 	"github.com/argoproj/argo-cd/v2/pkg/apis/application/v1alpha1"
-	servercache "github.com/argoproj/argo-cd/v2/server/cache"
+	"github.com/argoproj/argo-cd/v2/server/cache"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/mock"
 	"testing"
 )
 
-func reporterWithMockedClient(t *testing.T, returnValue *v1alpha1.RevisionMetadata, returnError error) *applicationEventReporter {
-	appServiceClient := mocks.NewApplicationClient(t)
-	appServiceClient.On("RevisionMetadata", mock.Anything, mock.Anything, mock.Anything).Return(returnValue, returnError)
-
-	return &applicationEventReporter{
-		&servercache.Cache{},
-		&MockCodefreshClient{},
-		newAppLister(),
-		appServiceClient,
-		&metrics.MetricsServer{},
-	}
-}
-
 func TestGetRevisionsDetails(t *testing.T) {
 
 	t.Run("should return revisions for single source app", func(t *testing.T) {
@@ -39,8 +25,6 @@ func TestGetRevisionsDetails(t *testing.T) {
 			},
 		}}
 
-		reporter := reporterWithMockedClient(t, expectedResult[0].Metadata, nil)
-
 		app := v1alpha1.Application{
 			Spec: v1alpha1.ApplicationSpec{
 				Source: &v1alpha1.ApplicationSource{
@@ -51,6 +35,26 @@ func TestGetRevisionsDetails(t *testing.T) {
 			},
 		}
 
+		appServiceClient := mocks.NewApplicationClient(t)
+		project := app.Spec.GetProject()
+		sourceIdx1 := int32(0)
+
+		appServiceClient.On("RevisionMetadata", mock.Anything, &application.RevisionMetadataQuery{
+			Name:         &app.Name,
+			AppNamespace: &app.Namespace,
+			Revision:     &expectedResult[0].Revision,
+			Project:      &project,
+			SourceIndex:  &sourceIdx1,
+		}).Return(expectedResult[0].Metadata, nil)
+
+		reporter := &applicationEventReporter{
+			&cache.Cache{},
+			&MockCodefreshClient{},
+			newAppLister(),
+			appServiceClient,
+			&metrics.MetricsServer{},
+		}
+
 		result, _ := reporter.getRevisionsDetails(context.Background(), &app, []string{expectedRevision})
 
 		assert.Equal(t, expectedResult, result)
@@ -90,21 +94,25 @@ func TestGetRevisionsDetails(t *testing.T) {
 		project := app.Spec.GetProject()
 
 		appServiceClient := mocks.NewApplicationClient(t)
-		appServiceClient.On("RevisionMetadata", mock.Anything, &appclient.RevisionMetadataQuery{
+		sourceIdx1 := int32(0)
+		sourceIdx2 := int32(1)
+		appServiceClient.On("RevisionMetadata", mock.Anything, &application.RevisionMetadataQuery{
 			Name:         &app.Name,
 			AppNamespace: &app.Namespace,
 			Revision:     &expectedRevision1,
 			Project:      &project,
+			SourceIndex:  &sourceIdx1,
 		}).Return(expectedResult[0].Metadata, nil)
-		appServiceClient.On("RevisionMetadata", mock.Anything, &appclient.RevisionMetadataQuery{
+		appServiceClient.On("RevisionMetadata", mock.Anything, &application.RevisionMetadataQuery{
 			Name:         &app.Name,
 			AppNamespace: &app.Namespace,
 			Revision:     &expectedRevision2,
 			Project:      &project,
+			SourceIndex:  &sourceIdx2,
 		}).Return(expectedResult[1].Metadata, nil)
 
 		reporter := &applicationEventReporter{
-			&servercache.Cache{},
+			&cache.Cache{},
 			&MockCodefreshClient{},
 			newAppLister(),
 			appServiceClient,
@@ -122,8 +130,6 @@ func TestGetRevisionsDetails(t *testing.T) {
 			Revision: expectedRevision,
 		}}
 
-		reporter := reporterWithMockedClient(t, expectedResult[0].Metadata, nil)
-
 		app := v1alpha1.Application{
 			Spec: v1alpha1.ApplicationSpec{
 				Source: &v1alpha1.ApplicationSource{
@@ -134,6 +140,26 @@ func TestGetRevisionsDetails(t *testing.T) {
 			},
 		}
 
+		appServiceClient := mocks.NewApplicationClient(t)
+		project := app.Spec.GetProject()
+		sourceIdx1 := int32(0)
+
+		appServiceClient.On("RevisionMetadata", mock.Anything, &application.RevisionMetadataQuery{
+			Name:         &app.Name,
+			AppNamespace: &app.Namespace,
+			Revision:     &expectedResult[0].Revision,
+			Project:      &project,
+			SourceIndex:  &sourceIdx1,
+		}).Return(expectedResult[0].Metadata, nil)
+
+		reporter := &applicationEventReporter{
+			&cache.Cache{},
+			&MockCodefreshClient{},
+			newAppLister(),
+			appServiceClient,
+			&metrics.MetricsServer{},
+		}
+
 		result, _ := reporter.getRevisionsDetails(context.Background(), &app, []string{expectedRevision})
 
 		assert.Equal(t, expectedResult, result)