diff --git a/tools/scripts/adb_ssh.sh b/tools/scripts/adb_ssh.sh
index ad65693722..4527a0296d 100755
--- a/tools/scripts/adb_ssh.sh
+++ b/tools/scripts/adb_ssh.sh
@@ -2,7 +2,9 @@
 set -euo pipefail
 
 # Forward all openpilot service ports
-mapfile -t SERVICE_PORTS < <(python3 - <<'PY'
+while IFS=' ' read -r name port; do
+  adb forward "tcp:${port}" "tcp:${port}" > /dev/null
+done < <(python3 - <<'PY'
 from cereal.services import SERVICE_LIST
 
 FNV_PRIME = 0x100000001b3
@@ -29,12 +31,6 @@ for name, port in sorted(ports):
 PY
 )
 
-for entry in "${SERVICE_PORTS[@]}"; do
-  name="${entry% *}"
-  port="${entry##* }"
-  adb forward "tcp:${port}" "tcp:${port}" > /dev/null
-done
-
 # Forward SSH port first for interactive shell access.
 adb forward tcp:2222 tcp:22