diff --git a/packages/utils/src/instrument/fetch.ts b/packages/utils/src/instrument/fetch.ts
index 9a0a959c4c3a..fb58c0ae16e8 100644
--- a/packages/utils/src/instrument/fetch.ts
+++ b/packages/utils/src/instrument/fetch.ts
@@ -64,21 +64,10 @@ function instrumentFetch(): void {
             DEBUG_BUILD && logger.warn('Failed to clone response body.');
           }
 
-          if (clonedResponseForResolving && clonedResponseForResolving.body) {
-            const responseReader = clonedResponseForResolving.body.getReader();
-
-            // eslint-disable-next-line no-inner-declarations
-            function consumeChunks({ done }: { done: boolean }): Promise<void> {
-              if (!done) {
-                return responseReader.read().then(consumeChunks);
-              } else {
-                return Promise.resolve();
-              }
-            }
-
-            responseReader
-              .read()
-              .then(consumeChunks)
+          if (clonedResponseForResolving) {
+            clonedResponseForResolving
+              // This waits until the full body has been received
+              .text()
               .then(() => {
                 triggerHandlers('fetch', {
                   ...handlerData,
@@ -97,11 +86,7 @@ function instrumentFetch(): void {
             });
           }
 
-          return new Promise(resolve => {
-            setTimeout(() => {
-              resolve(response);
-            }, 0);
-          });
+          return response;
         },
         (error: Error) => {
           const erroredHandlerData: HandlerDataFetch = {