diff --git a/scanbuddy.bash b/scanbuddy.bash
index 6893419..6c088b3 100755
--- a/scanbuddy.bash
+++ b/scanbuddy.bash
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
-device="brother5:bus2;dev2"
-# device=$(scanimage -f "%d%n" | grep brother5 | head -n 1)
+# device="brother5:bus2;dev2"
+device=$(scanimage -f "%d%n" | grep brother5 | head -n 1)
 echo "Selecting scanner '$device'"
 
 # option values for the brother DS-740D scanner
@@ -66,13 +66,15 @@ scan() {
   esac
 
   echo "Scanning to '$next_out_file'..."
-  echo scanimage \
+  scanimage \
     --device-name=$device \
     --format=pdf \
     --output-file="$next_out_file" \
     --mode="$scanner_mode" \
     --resolution="$resolution" \
-    --source="$sides"
+    --source="$sides" \
+    -x 210 -y 297 # A4 
+
 }
 
 case "$1" in