diff --git a/daemon.js b/daemon.js
index 193312ba..d12ae9cd 100644
--- a/daemon.js
+++ b/daemon.js
@@ -363,7 +363,7 @@ export async function main(ns) {
             { name: "stockmaster.js", shouldRun: () => reqRam(64), args: openTailWindows ? ["--show-market-summary"] : [] }, // Start our stockmaster
             { name: "hacknet-upgrade-manager.js", shouldRun: () => shouldUpgradeHacknet(), args: ["-c", "--max-payoff-time", "1h", "--interval", "0"], shouldTail: false }, // One-time kickstart of hash income by buying everything with up to 1h payoff time immediately
             { name: "spend-hacknet-hashes.js", shouldRun: () => reqRam(64) && 9 in dictSourceFiles, args: [], shouldTail: false }, // Always have this running to make sure hashes aren't wasted
-            { name: "sleeve.js", shouldRun: () => reqRam(64) && 10 in dictSourceFiles }, // Script to create manage our sleeves for us
+            { name: "sleeve.js", shouldRun: () => reqRam(64) && 10 in dictSourceFiles && 4 in dictSourceFiles }, // Script to create manage our sleeves for us
             { name: "gangs.js", shouldRun: () => reqRam(64) && 2 in dictSourceFiles }, // Script to create manage our gang for us
             {
                 name: "work-for-factions.js", args: ['--fast-crimes-only', '--no-coding-contracts'],  // Singularity script to manage how we use our "focus" work.
diff --git a/sleeve.js b/sleeve.js
index 5f52e963..49901b9c 100644
--- a/sleeve.js
+++ b/sleeve.js
@@ -63,8 +63,8 @@ export async function main(ns) {
     playerInGang = playerInBladeburner = false;
     // Ensure we have access to sleeves
     ownedSourceFiles = await getActiveSourceFiles(ns);
-    if (!(10 in ownedSourceFiles))
-        return ns.tprint("WARNING: You cannot run sleeve.js until you do BN10.");
+    if (!(10 in ownedSourceFiles) || !(4 in ownedSourceFiles))
+        return ns.tprint("WARNING: You cannot run sleeve.js until you do BN10 and BN4.");
     // Start the main loop
     while (true) {
         try { await mainLoop(ns); }