diff --git a/tools/fetch-rebase-pull-request b/tools/fetch-rebase-pull-request
index 25dd48d619..a9e2e9cb52 100755
--- a/tools/fetch-rebase-pull-request
+++ b/tools/fetch-rebase-pull-request
@@ -3,8 +3,8 @@ set -e
 set -x
 
 request_id="$1"
-git fetch origin "pull/$request_id/head"
-git checkout origin/master -b "review-${request_id}"
+git fetch upstream "pull/$request_id/head"
+git checkout upstream/master -b "review-${request_id}"
 git reset --hard FETCH_HEAD
 git pull --rebase
 
diff --git a/tools/reset-to-pull-request b/tools/reset-to-pull-request
index fcf5d9750b..af8b5b11a0 100755
--- a/tools/reset-to-pull-request
+++ b/tools/reset-to-pull-request
@@ -3,5 +3,5 @@ set -e
 set -x
 
 request_id="$1"
-git fetch origin "pull/$request_id/head"
+git fetch upstream "pull/$request_id/head"
 git reset --hard FETCH_HEAD