diff --git a/tests/performance/scripts/download.sh b/tests/performance/scripts/download.sh
index cb243b655c6b..7a740a38fd2b 100755
--- a/tests/performance/scripts/download.sh
+++ b/tests/performance/scripts/download.sh
@@ -67,8 +67,8 @@ function download
     mkdir ~/fg ||:
     (
         cd ~/fg
-        wget -nv -nd -c "https://raw.githubusercontent.com/brendangregg/FlameGraph/master/flamegraph.pl"
-        wget -nv -nd -c "https://raw.githubusercontent.com/brendangregg/FlameGraph/master/difffolded.pl"
+        wget -nv -nd -c "https://raw.githubusercontent.com/brendangregg/FlameGraph/cd9ee4c4449775a2f867acf31c84b7fe4b132ad5/flamegraph.pl"
+        wget -nv -nd -c "https://raw.githubusercontent.com/brendangregg/FlameGraph/cd9ee4c4449775a2f867acf31c84b7fe4b132ad5/difffolded.pl"
         chmod +x ~/fg/difffolded.pl
         chmod +x ~/fg/flamegraph.pl
     ) &
diff --git a/tests/performance/scripts/entrypoint.sh b/tests/performance/scripts/entrypoint.sh
index 95ffe44b6549..ec7e4d96dde4 100755
--- a/tests/performance/scripts/entrypoint.sh
+++ b/tests/performance/scripts/entrypoint.sh
@@ -14,7 +14,8 @@ SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
 function curl_with_retry
 {
     for _ in 1 2 3 4 5 6 7 8 9 10; do
-        if curl --fail --head "$1";then
+        if curl --fail --head "$1"
+        then
             return 0
         else
             sleep 1