diff --git a/backend/internal/certificate.js b/backend/internal/certificate.js
index 963d2bb6a..9a14f5893 100644
--- a/backend/internal/certificate.js
+++ b/backend/internal/certificate.js
@@ -25,7 +25,7 @@ const certbotLogsDir = "/data/logs";
 const certbotWorkDir = "/tmp/letsencrypt-lib";
 
 const omissions = () => {
-	return ["is_deleted", "owner.is_deleted", "meta.dns_provider_credentials"];
+	return ["is_deleted", "owner.is_deleted", "meta.dns_provider_credentials", "meta.certificate_key"];
 };
 
 const internalCertificate = {
diff --git a/test/cypress/e2e/api/Certificates.cy.js b/test/cypress/e2e/api/Certificates.cy.js
index 25d1b8c41..7d75d40cf 100644
--- a/test/cypress/e2e/api/Certificates.cy.js
+++ b/test/cypress/e2e/api/Certificates.cy.js
@@ -69,6 +69,9 @@ describe('Certificates endpoints', () => {
 				}).then((data) => {
 					cy.validateSwaggerSchema('get', 200, '/nginx/certificates', data);
 					expect(data.length).to.be.greaterThan(0);
+					const cert = data.find((c) => c.id === certID);
+					expect(cert.meta).to.have.property('certificate');
+					expect(cert.meta).to.not.have.property('certificate_key');
 
 					// Delete cert
 					cy.task('backendApiDelete', {