diff --git a/piomxtextures_tools/prepare_openmaxil_backend.sh b/piomxtextures_tools/prepare_openmaxil_backend.sh
index b4ac0e7..c6579a7 100755
--- a/piomxtextures_tools/prepare_openmaxil_backend.sh
+++ b/piomxtextures_tools/prepare_openmaxil_backend.sh
@@ -1,10 +1,10 @@
+#!/bin/sh
 #
 # Project: OpenMAXIL QtMultimedia Plugin
 # Company: -
 # Author:  Luca Carlon (carlon.luca (AT) gmail.com)
 # Date:    04.21.2013
 #
-#!/bin/sh
 
 # This script can be used to prepare everything you need to compile the OpenMAXIL QtMultimedia backend
 # into Qt sources. Run this script and PiOmxTextures and ffmpeg libs will be built and placed into
@@ -22,7 +22,10 @@ fi
 
 echo "This script will automatically download and build the dependencies..."
 
-if [ ! -d ../3rdparty/ffmpeg/lib ] || [ ! -d ../3rdparty/ffmpeg/include ]; then
+if [ ! -d ../3rdparty/ffmpeg/ffmpeg_pi1/lib ] && [ ! -d ../3rdparty/ffmpeg/ffmpeg_pi2/lib ]; then
+   echo "It seems you did not compile ffmpeg. Please run compile_ffmpeg.sh first."
+   exit
+elif [ ! -d ../3rdparty/ffmpeg/ffmpeg_pi1/include ] && [ ! -d ../3rdparty/ffmpeg/ffmpeg_pi2/include ]; then
    echo "It seems you did not compile ffmpeg. Please run compile_ffmpeg.sh first."
    exit
 fi