diff --git a/CHANGELOG.md b/CHANGELOG.md
index 89083e8b3..cea15af82 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@ All notable changes to this project will be documented in this file.
 This project uses the changelog in accordance with [keepchangelog](http://keepachangelog.com/). Please use this to write notable changes, which is not the same as git commit log...
 
 ## [unreleased][unreleased]
+ - Changed calculation of companion ARM firmware hash to be uniform accross platforms (@Doridian)
  - Changed `hf mf *` - verbose flag now also decode and prints found value blocks (@iceman1001)
  - Changed `hf mf wrbl` - added more helptext and new param --force to point out block0 writes (@iceman1001)
  - Changed `hf 15 raw` - it now uses NG frame for response (@iceman1001)
diff --git a/tools/mkversion.sh b/tools/mkversion.sh
index 9a147c061..c1819f34e 100755
--- a/tools/mkversion.sh
+++ b/tools/mkversion.sh
@@ -63,7 +63,7 @@ sha=$(
     cd "$pm3path" || return
     # did we find the src?
     [ -f armsrc/appmain.c ] || return
-    ls armsrc/*.[ch] common_arm/*.[ch]|grep -E -v "(disabled|version_pm3|fpga_version_info)"|xargs sha256sum|sha256sum|cut -c -9
+    ls armsrc/*.[ch] common_arm/*.[ch]|grep -E -v "(disabled|version_pm3|fpga_version_info)"|sort|xargs sha256sum -t|sha256sum|cut -c -9
 )
 if [ "$sha" = "" ]; then
   sha="no sha256"