diff --git a/src/loaders/configure/configure.js b/src/loaders/configure/configure.js
index 247e7cf97..aee5a2ffc 100644
--- a/src/loaders/configure/configure.js
+++ b/src/loaders/configure/configure.js
@@ -1,6 +1,6 @@
 import { setAPI, setTopLevelCallers } from '../api/api'
 import { addToNREUM, gosCDN, gosNREUMInitializedAgents } from '../../common/window/nreum'
-import { setConfiguration, setInfo, setLoaderConfig, setRuntime } from '../../common/config/config'
+import { getConfiguration, setConfiguration, setInfo, setLoaderConfig, setRuntime } from '../../common/config/config'
 import { activatedFeatures } from '../../common/util/feature-flags'
 import { isWorkerScope } from '../../common/constants/runtime'
 
@@ -22,7 +22,16 @@ export function configure (agentIdentifier, opts = {}, loaderType, forceDrain) {
   }
   setInfo(agentIdentifier, info)
 
-  runtime.denyList = init.ajax?.block_internal ? (init.ajax.deny_list || []).concat(info.beacon, info.errorBeacon) : init.ajax?.deny_list
+  const updatedInit = getConfiguration(agentIdentifier)
+  runtime.denyList = [
+    ...(updatedInit.ajax?.deny_list || []),
+    ...(updatedInit.ajax?.block_internal
+      ? [
+          info.beacon,
+          info.errorBeacon
+        ]
+      : [])
+  ]
   setRuntime(agentIdentifier, runtime)
 
   setTopLevelCallers()
diff --git a/tests/specs/spa/harvesting.e2e.js b/tests/specs/spa/harvesting.e2e.js
index 2f9a9868f..8b0224e7e 100644
--- a/tests/specs/spa/harvesting.e2e.js
+++ b/tests/specs/spa/harvesting.e2e.js
@@ -1,27 +1,49 @@
 describe('spa harvesting', () => {
   it('should set correct customEnd value on multiple custom interactions', async () => {
-    const [interactionResults] = await Promise.all([
+    // interaction3 will eventually be harvested so we need to capture two harvests here
+
+    const [interactionResults1, interactionResults2] = await Promise.all([
+      browser.testHandle.expectInteractionEvents(),
       browser.testHandle.expectInteractionEvents(),
       browser.url(await browser.testHandle.assetURL('spa/multiple-custom-interactions.html'))
-        .then(() => browser.waitForAgentLoad())
     ])
 
-    const interactions = interactionResults.request.body
-    expect(interactions.length).toEqual(3)
+    const interactions = [
+      ...interactionResults1.request.body,
+      ...interactionResults2.request.body
+    ]
+    expect(interactions.length).toEqual(4)
     expect(interactions).toEqual(expect.arrayContaining([
       expect.objectContaining({
-        customName: 'interaction1'
+        customName: 'interaction1',
+        children: expect.arrayContaining([expect.objectContaining({
+          type: 'customEnd'
+        })])
       }),
       expect.objectContaining({
-        customName: 'interaction2'
+        customName: 'interaction2',
+        children: expect.arrayContaining([expect.objectContaining({
+          type: 'customEnd'
+        })])
       }),
       expect.objectContaining({
-        customName: 'interaction4'
+        customName: 'interaction3',
+        children: expect.not.arrayContaining([expect.objectContaining({
+          type: 'customEnd'
+        })])
+      }),
+      expect.objectContaining({
+        customName: 'interaction4',
+        children: expect.arrayContaining([expect.objectContaining({
+          type: 'customEnd'
+        })])
       })
     ]))
-    interactions.forEach(interaction => {
-      const customEndTime = interaction.children.find(child => child.type === 'customEnd')
-      expect(customEndTime.time).toBeGreaterThanOrEqual(interaction.end)
-    })
+    interactions
+      .filter(interaction => ['interaction1', 'interaction2', 'interaction4'].includes(interaction.customName))
+      .forEach(interaction => {
+        const customEndTime = interaction.children.find(child => child.type === 'customEnd')
+        expect(customEndTime.time).toBeGreaterThanOrEqual(interaction.end)
+      })
   })
 })