diff --git a/firmware/tunerstudio/upload_ini.sh b/firmware/tunerstudio/upload_ini.sh
index 4f34ab9283..a222ffa541 100755
--- a/firmware/tunerstudio/upload_ini.sh
+++ b/firmware/tunerstudio/upload_ini.sh
@@ -19,8 +19,13 @@ pwd
 echo -e "\nUploading .ini files"
 ls -l .
 
-echo "Processing file $1:"
-sig=$(grep "^ *signature *=" $1 | cut -f2 -d "=")
+if [ "$1" = "all" ]; then
+ echo "Processing default 'all' file"
+ sig=$(grep "^ *signature *=" rusefi.ini | cut -f2 -d "=")
+else
+ echo "Processing file $1:"
+ sig=$(grep "^ *signature *=" $1         | cut -f2 -d "=")
+fi
 if [ ! -z "$sig" -a "$sig" != " " ]; then
   echo "* found signature: $sig"
   if [[ "$sig" =~ rusEFI.*([0-9]{4})\.([0-9]{2})\.([0-9]{2})\.([a-zA-Z0-9_-]+)\.([0-9]+) ]]; then