diff --git a/ghost/core/test/e2e-api/admin/__snapshots__/settings.test.js.snap b/ghost/core/test/e2e-api/admin/__snapshots__/settings.test.js.snap
index 4d9d0d20af..521e088a9c 100644
--- a/ghost/core/test/e2e-api/admin/__snapshots__/settings.test.js.snap
+++ b/ghost/core/test/e2e-api/admin/__snapshots__/settings.test.js.snap
@@ -619,7 +619,7 @@ exports[`Settings API Edit Can edit a setting 2: [headers] 1`] = `
 Object {
   "access-control-allow-origin": "http://127.0.0.1:2369",
   "cache-control": "no-cache, private, no-store, must-revalidate, max-stale=0, post-check=0, pre-check=0",
-  "content-length": "3365",
+  "content-length": "3387",
   "content-type": "application/json; charset=utf-8",
   "etag": StringMatching /\\(\\?:W\\\\/\\)\\?"\\(\\?:\\[ !#-\\\\x7E\\\\x80-\\\\xFF\\]\\*\\|\\\\r\\\\n\\[\\\\t \\]\\|\\\\\\\\\\.\\)\\*"/,
   "vary": "Origin, Accept-Encoding",
@@ -908,7 +908,7 @@ exports[`Settings API Edit cannot edit uneditable settings 2: [headers] 1`] = `
 Object {
   "access-control-allow-origin": "http://127.0.0.1:2369",
   "cache-control": "no-cache, private, no-store, must-revalidate, max-stale=0, post-check=0, pre-check=0",
-  "content-length": "3432",
+  "content-length": StringMatching /\\\\d\\+/,
   "content-type": "application/json; charset=utf-8",
   "etag": StringMatching /\\(\\?:W\\\\/\\)\\?"\\(\\?:\\[ !#-\\\\x7E\\\\x80-\\\\xFF\\]\\*\\|\\\\r\\\\n\\[\\\\t \\]\\|\\\\\\\\\\.\\)\\*"/,
   "vary": "Origin, Accept-Encoding",
@@ -1196,7 +1196,7 @@ exports[`Settings API Edit does not trigger email verification flow if members_s
 Object {
   "access-control-allow-origin": "http://127.0.0.1:2369",
   "cache-control": "no-cache, private, no-store, must-revalidate, max-stale=0, post-check=0, pre-check=0",
-  "content-length": "3444",
+  "content-length": StringMatching /\\\\d\\+/,
   "content-type": "application/json; charset=utf-8",
   "etag": StringMatching /\\(\\?:W\\\\/\\)\\?"\\(\\?:\\[ !#-\\\\x7E\\\\x80-\\\\xFF\\]\\*\\|\\\\r\\\\n\\[\\\\t \\]\\|\\\\\\\\\\.\\)\\*"/,
   "vary": "Origin, Accept-Encoding",
@@ -1489,7 +1489,7 @@ exports[`Settings API Edit editing members_support_address triggers email verifi
 Object {
   "access-control-allow-origin": "http://127.0.0.1:2369",
   "cache-control": "no-cache, private, no-store, must-revalidate, max-stale=0, post-check=0, pre-check=0",
-  "content-length": "3485",
+  "content-length": StringMatching /\\\\d\\+/,
   "content-type": "application/json; charset=utf-8",
   "etag": StringMatching /\\(\\?:W\\\\/\\)\\?"\\(\\?:\\[ !#-\\\\x7E\\\\x80-\\\\xFF\\]\\*\\|\\\\r\\\\n\\[\\\\t \\]\\|\\\\\\\\\\.\\)\\*"/,
   "vary": "Origin, Accept-Encoding",
@@ -1777,7 +1777,7 @@ exports[`Settings API Edit removes image size prefixes when setting the icon 2:
 Object {
   "access-control-allow-origin": "http://127.0.0.1:2369",
   "cache-control": "no-cache, private, no-store, must-revalidate, max-stale=0, post-check=0, pre-check=0",
-  "content-length": "3432",
+  "content-length": StringMatching /\\\\d\\+/,
   "content-type": "application/json; charset=utf-8",
   "etag": StringMatching /\\(\\?:W\\\\/\\)\\?"\\(\\?:\\[ !#-\\\\x7E\\\\x80-\\\\xFF\\]\\*\\|\\\\r\\\\n\\[\\\\t \\]\\|\\\\\\\\\\.\\)\\*"/,
   "vary": "Origin, Accept-Encoding",
@@ -2128,7 +2128,7 @@ exports[`Settings API verify key update can update members_support_address via t
 Object {
   "access-control-allow-origin": "http://127.0.0.1:2369",
   "cache-control": "no-cache, private, no-store, must-revalidate, max-stale=0, post-check=0, pre-check=0",
-  "content-length": "3444",
+  "content-length": StringMatching /\\\\d\\+/,
   "content-type": "application/json; charset=utf-8",
   "etag": StringMatching /\\(\\?:W\\\\/\\)\\?"\\(\\?:\\[ !#-\\\\x7E\\\\x80-\\\\xFF\\]\\*\\|\\\\r\\\\n\\[\\\\t \\]\\|\\\\\\\\\\.\\)\\*"/,
   "vary": "Origin, Accept-Encoding",
diff --git a/ghost/core/test/e2e-api/admin/settings.test.js b/ghost/core/test/e2e-api/admin/settings.test.js
index d4705e12a8..c69e42c06f 100644
--- a/ghost/core/test/e2e-api/admin/settings.test.js
+++ b/ghost/core/test/e2e-api/admin/settings.test.js
@@ -199,7 +199,9 @@ describe('Settings API', function () {
                     settings: matchSettingsArray(CURRENT_SETTINGS_COUNT)
                 })
                 .matchHeaderSnapshot({
-                    etag: anyEtag
+                    etag: anyEtag,
+                    // Special rule for this test, as the labs setting changes a lot
+                    'content-length': anyStringNumber
                 });
 
             // Check returned WITH prefix
@@ -224,7 +226,9 @@ describe('Settings API', function () {
                     settings: matchSettingsArray(CURRENT_SETTINGS_COUNT)
                 })
                 .matchHeaderSnapshot({
-                    etag: anyEtag
+                    etag: anyEtag,
+                    // Special rule for this test, as the labs setting changes a lot
+                    'content-length': anyStringNumber
                 })
                 .expect(({body}) => {
                     const emailVerificationRequired = body.settings.find(setting => setting.key === 'email_verification_required');
@@ -243,7 +247,9 @@ describe('Settings API', function () {
                     settings: matchSettingsArray(CURRENT_SETTINGS_COUNT)
                 })
                 .matchHeaderSnapshot({
-                    etag: anyEtag
+                    etag: anyEtag,
+                    // Special rule for this test, as the labs setting changes a lot
+                    'content-length': anyStringNumber
                 })
                 .expect(({body}) => {
                     const membersSupportAddress = body.settings.find(setting => setting.key === 'members_support_address');
@@ -276,7 +282,9 @@ describe('Settings API', function () {
                     settings: matchSettingsArray(CURRENT_SETTINGS_COUNT)
                 })
                 .matchHeaderSnapshot({
-                    etag: anyEtag
+                    etag: anyEtag,
+                    // Special rule for this test, as the labs setting changes a lot
+                    'content-length': anyStringNumber
                 })
                 .expect(({body}) => {
                     const membersSupportAddress = body.settings.find(setting => setting.key === 'members_support_address');
@@ -301,12 +309,15 @@ describe('Settings API', function () {
                     settings: matchSettingsArray(CURRENT_SETTINGS_COUNT)
                 })
                 .matchHeaderSnapshot({
-                    etag: anyEtag
+                    etag: anyEtag,
+                    // Special rule for this test, as the labs setting changes a lot
+                    'content-length': anyStringNumber
                 })
                 .expect(({body}) => {
                     const membersSupportAddress = body.settings.find(setting => setting.key === 'members_support_address');
                     assert.strictEqual(membersSupportAddress.value, 'support@example.com');
                 });
+
             mockManager.assert.sentEmailCount(0);
         });