diff --git a/run.sh b/run.sh
index f29238f..27429c5 100755
--- a/run.sh
+++ b/run.sh
@@ -12,8 +12,15 @@ if test "$(ls -A /tex)"; then
         TARGET="*.tex"
     fi
 
+    # Build in build dir
+    BUILD=$(date | sha256sum | cut -f1 -d' ')
+    mkdir $BUILD
+    cd $BUILD
+
+    echo "$ECHOPREFIX Targetting $TARGET"
+
     # Build the PDF
-    texi2pdf $TARGET
+    texi2pdf ../$TARGET
 else
     # Directory is empty
     echo "=> Please mount your directory to /tex"