diff --git a/pkg/accessreview/drivers/sentry.go b/pkg/accessreview/drivers/sentry.go
index 4bd3a29c7..88328bb79 100644
--- a/pkg/accessreview/drivers/sentry.go
+++ b/pkg/accessreview/drivers/sentry.go
@@ -64,29 +64,9 @@ func NewSentryDriver(httpClient *http.Client, orgSlug string) *SentryDriver {
 }
 
 func (d *SentryDriver) resolveOrgSlug(ctx context.Context) (string, error) {
-	req, err := http.NewRequestWithContext(ctx, http.MethodGet, "https://sentry.io/api/0/organizations/?member=true", nil)
+	orgs, err := ListSentryOrganizations(ctx, d.httpClient)
 	if err != nil {
-		return "", fmt.Errorf("cannot create sentry organizations request: %w", err)
-	}
-
-	req.Header.Set("Accept", "application/json")
-
-	resp, err := d.httpClient.Do(req)
-	if err != nil {
-		return "", fmt.Errorf("cannot fetch sentry organizations: %w", err)
-	}
-
-	defer func() { _ = resp.Body.Close() }()
-
-	if resp.StatusCode != http.StatusOK {
-		return "", fmt.Errorf("cannot fetch sentry organizations: status %d", resp.StatusCode)
-	}
-
-	var orgs []struct {
-		Slug string `json:"slug"`
-	}
-	if err := json.NewDecoder(resp.Body).Decode(&orgs); err != nil {
-		return "", fmt.Errorf("cannot decode sentry organizations response: %w", err)
+		return "", fmt.Errorf("cannot resolve sentry organization slug: %w", err)
 	}
 
 	if len(orgs) == 0 {
diff --git a/pkg/accessreview/drivers/sentry_test.go b/pkg/accessreview/drivers/sentry_test.go
index e3e28e8c2..01e99d6c6 100644
--- a/pkg/accessreview/drivers/sentry_test.go
+++ b/pkg/accessreview/drivers/sentry_test.go
@@ -16,6 +16,8 @@ package drivers
 
 import (
 	"context"
+	"net/http"
+	"net/http/httptest"
 	"os"
 	"testing"
 
@@ -45,3 +47,34 @@ func TestSentryDriver(t *testing.T) {
 	assert.NotEmpty(t, r.ExternalID)
 	assert.NotEmpty(t, r.Role)
 }
+
+func TestSentryDriverListAccountsAutoDiscoversSlug(t *testing.T) {
+	t.Parallel()
+
+	const discoveredSlug = "discovered-org"
+
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+
+		switch r.URL.Path {
+		case "/api/0/organizations/":
+			assert.Equal(t, "true", r.URL.Query().Get("member"))
+			w.WriteHeader(http.StatusOK)
+			_, _ = w.Write([]byte(`[{"slug":"` + discoveredSlug + `","name":"Discovered Org"}]`))
+		case "/api/0/organizations/" + discoveredSlug + "/members":
+			w.WriteHeader(http.StatusOK)
+			_, _ = w.Write([]byte(`[{"id":"42","email":"alice@example.com","name":"Alice","orgRole":"member"}]`))
+		default:
+			t.Errorf("unexpected request to %s", r.URL.Path)
+			w.WriteHeader(http.StatusNotFound)
+		}
+	}))
+	defer srv.Close()
+
+	client := &http.Client{Transport: &hostRewriter{target: srv.URL}}
+
+	records, err := NewSentryDriver(client, "").ListAccounts(context.Background())
+	require.NoError(t, err)
+	require.Len(t, records, 1)
+	assert.Equal(t, "alice@example.com", records[0].Email)
+}