diff --git a/apps/boot/ChangeLog b/apps/boot/ChangeLog
index 3f406e6a1..ef437fe3b 100644
--- a/apps/boot/ChangeLog
+++ b/apps/boot/ChangeLog
@@ -48,3 +48,4 @@
 0.42: Sort *.boot.js files lexically and by optional numeric priority, e.g. appname.<priority>.boot.js
 0.43: Fix Gadgetbridge handling with Programmable:off
 0.44: Write .boot0 without ever having it all in RAM (fix Bangle.js 1 issues with BTHRM)
+0.45: Fix 0.44 regression (auto-add semi-colon between each boot code chunk)
diff --git a/apps/boot/bootupdate.js b/apps/boot/bootupdate.js
index 8eaeaf095..c2ed5458d 100644
--- a/apps/boot/bootupdate.js
+++ b/apps/boot/bootupdate.js
@@ -213,7 +213,7 @@ var bootFiles = require('Storage').list(/\.boot\.js$/).sort((a,b)=>{
 var fileSize = boot.length + bootPost.length;
 bootFiles.forEach(bootFile=>{
   // match the size of data we're adding below in bootFiles.forEach
-  fileSize += 2+bootFile.length+1+require('Storage').read(bootFile).length+1;
+  fileSize += 2+bootFile.length+1+require('Storage').read(bootFile).length+2;
 });
 // write file in chunks (so as not to use up all RAM)
 require('Storage').write('.boot0',boot,0,fileSize);
@@ -231,8 +231,8 @@ bootFiles.forEach(bootFile=>{
   var bf = require('Storage').read(bootFile);
   require('Storage').write('.boot0',bf,fileOffset);
   fileOffset+=bf.length;
-  require('Storage').write('.boot0',"\n",fileOffset);
-  fileOffset+=1;
+  require('Storage').write('.boot0',";\n",fileOffset);
+  fileOffset+=2;
 });
 require('Storage').write('.boot0',bootPost,fileOffset);
 
diff --git a/apps/boot/metadata.json b/apps/boot/metadata.json
index a4fa875fa..c21ab6833 100644
--- a/apps/boot/metadata.json
+++ b/apps/boot/metadata.json
@@ -1,7 +1,7 @@
 {
   "id": "boot",
   "name": "Bootloader",
-  "version": "0.44",
+  "version": "0.45",
   "description": "This is needed by Bangle.js to automatically load the clock, menu, widgets and settings",
   "icon": "bootloader.png",
   "type": "bootloader",