diff --git a/src/backups.js b/src/backups.js
index 6ffb2a1bf..47059d97f 100644
--- a/src/backups.js
+++ b/src/backups.js
@@ -244,7 +244,7 @@ async function startBackupTask(auditSource) {
 
     const backupConfig = await getConfig();
 
-    const memoryLimit = backupConfig.limits?.memoryLimit ? Math.max(backupConfig.limits.memoryLimit/1024/1024, 800) : 800;
+    const memoryLimit = backupConfig.limits?.memoryLimit ? Math.max(backupConfig.limits.memoryLimit/1024/1024, 1000) : 1000;
 
     const taskId = await tasks.add(tasks.TASK_BACKUP, [ { /* options */ } ]);
 
diff --git a/src/scripts/starttask.sh b/src/scripts/starttask.sh
index d2035ee55..93ac1aa3c 100755
--- a/src/scripts/starttask.sh
+++ b/src/scripts/starttask.sh
@@ -23,7 +23,7 @@ fi
 readonly task_id="$1"
 readonly logfile="$2"
 readonly nice="$3"
-readonly memory_limit_mb="$4"
+readonly memory_limit_mb="$4" # SI units
 
 readonly service_name="box-task-${task_id}"
 systemctl reset-failed "${service_name}" 2>/dev/null || true