diff --git a/lib/AdobeState.js b/lib/AdobeState.js
index a3727a2..3a3a1ef 100644
--- a/lib/AdobeState.js
+++ b/lib/AdobeState.js
@@ -76,8 +76,7 @@ async function _wrap (promise, params) {
     logAndThrow(e)
   }
 
-  handleResponse(response, params)
-  return response
+  return handleResponse(response, params)
 }
 
 /**
@@ -87,16 +86,16 @@ async function _wrap (promise, params) {
  * @param {object} params the params to the network call
  * @returns {void}
  */
-function handleResponse (response, params) {
+async function handleResponse (response, params) {
   if (response.ok) {
-    return
+    return response
   }
 
   const copyParams = cloneDeep(params)
   switch (response.status) {
     case 404:
-      // do nothing, no exception on 404
-      break
+      // no exception on 404
+      return response
     case 401:
       return logAndThrow(new codes.ERROR_UNAUTHORIZED({ messageValues: ['underlying DB provider'], sdkDetails: copyParams }))
     case 403:
@@ -106,7 +105,7 @@ function handleResponse (response, params) {
     case 429:
       return logAndThrow(new codes.ERROR_REQUEST_RATE_TOO_HIGH({ sdkDetails: copyParams }))
     default: // 500 errors
-      return logAndThrow(new codes.ERROR_INTERNAL({ messageValues: [`unexpected response from provider with status: ${response.status}`], sdkDetails: copyParams }))
+      return logAndThrow(new codes.ERROR_INTERNAL({ messageValues: [`unexpected response from provider with status: ${response.status} body: ${await response.text()}`], sdkDetails: copyParams }))
   }
 }
 
diff --git a/test/AdobeState.test.js b/test/AdobeState.test.js
index f15df73..b434628 100644
--- a/test/AdobeState.test.js
+++ b/test/AdobeState.test.js
@@ -55,14 +55,14 @@ const wrapInFetchResponse = (body, options = {}) => {
   }
 }
 
-const wrapInFetchError = (status) => {
+const wrapInFetchError = (status, body) => {
   return {
     ok: false,
     headers: {
       get: () => 'fake req id'
     },
-    json: async () => 'error',
-    text: async () => 'error',
+    json: async () => JSON.parse(body),
+    text: async () => body,
     status
   }
 }
@@ -253,9 +253,10 @@ describe('put', () => {
   test('coverage: unknown server error', async () => {
     const key = 'some-key'
     const value = 'some-value'
+    const responseBody = 'error: this is the response body'
 
-    mockExponentialBackoff.mockResolvedValue(wrapInFetchError(500))
-    await expect(store.put(key, value)).rejects.toThrow('[AdobeStateLib:ERROR_INTERNAL] unexpected response from provider with status: 500')
+    mockExponentialBackoff.mockResolvedValue(wrapInFetchError(500, responseBody))
+    await expect(store.put(key, value)).rejects.toThrow(`[AdobeStateLib:ERROR_INTERNAL] unexpected response from provider with status: 500 body: ${responseBody}`)
   })
 
   test('coverage: unknown error (fetch network failure)', async () => {