diff --git a/msys2/ps/autobuild.sh b/msys2/ps/autobuild.sh
index ce6775fd1..fdf53729e 100644
--- a/msys2/ps/autobuild.sh
+++ b/msys2/ps/autobuild.sh
@@ -4,6 +4,7 @@ copyDir=/builds
 buildDir=/tmp
 mingwDir=/mingw64
 arch=64
+jobs=$(nproc)
 
 pacman -Q p7zip 1> /dev/null
 if [[ $? != 0 ]]; then
@@ -19,8 +20,14 @@ for i in $( ls -d */ ); do
   hash=$(git rev-parse HEAD)
   date=$(date +%Y%m%d)
  if ! ls $copyDir/${i%%/}-$arch/*-$hash.7z 1> /dev/null 2>&1; then
+ 
+	if [ ! -f "rdv40.txt" ]; then
+		jobs=1
+	fi
+ 
     make clean
-	make all
+	make all -j$jobs
+	
 	if [ $? -eq 0 ]; then
 	  rm -rf $buildDir/${i%%/}/*
 	  mkdir -p $copyDir/${i%%/}-$arch/