diff --git a/install-binaries-4.0.3.sh b/install-binaries-4.0.3.sh
index 76978b4..4d03e7f 100755
--- a/install-binaries-4.0.3.sh
+++ b/install-binaries-4.0.3.sh
@@ -7,8 +7,6 @@
   exit 1
 }
 
-trap 'err_handle' ERR
-
 device="$1"
 if [ -z "$device" ]; then
     for i in `cat /proc/partitions | awk '{print $4}' |grep -i 'sd[a-z][1-9]\|mmcblk[0-9]p[1-9]'`
@@ -21,6 +19,8 @@
     [ -b "$device" ] || { echo "Failed to find system partition" && exit 1; }
 fi
 
+trap 'err_handle' ERR
+
 mkdir -p /tmp/binaries
 cd /tmp/binaries/
 wget --no-check-certificate $DL_URL