diff --git a/scripts/installer.sh b/scripts/installer.sh
index e8e2a2cda..73f02434a 100755
--- a/scripts/installer.sh
+++ b/scripts/installer.sh
@@ -24,7 +24,8 @@ function prepare_apt_once() {
     log "Making sure apt is in a good state"
 
     log "Waiting for all dpkg tasks to finish..."
-    while fuser /var/lib/dpkg/lock; do
+    # we used to check for locks, but there are many locks it seems
+    while pgrep -x "apt-get|apt|dpkg" >/dev/null; do
         sleep 1
     done