diff --git a/install.sh b/install.sh
index 9ad0026..b803171 100644
--- a/install.sh
+++ b/install.sh
@@ -26,7 +26,7 @@ tput cup 13 15
 echo "[ 2/10] [##--------]"
 tput cup 15 5
 echo "-> download GIT an other stuff.........."
-apt-get -y install git cmake build-essential libusb-1.0 qt4-qmake libpulse-dev libx11-dev sox >> ~/boswatch/install/setup_log.txt 2>&1
+apt-get -y install git cmake build-essential libusb-1.0 qt4-qmake qt4-default libpulse-dev libx11-dev sox >> ~/boswatch/install/setup_log.txt 2>&1
 
 tput cup 13 15
 echo "[ 3/10] [###-------]"
diff --git a/install_dev.sh b/install_dev.sh
index 3d969a4..4baae02 100644
--- a/install_dev.sh
+++ b/install_dev.sh
@@ -26,7 +26,7 @@ tput cup 13 15
 echo "[ 2/10] [##--------]"
 tput cup 15 5
 echo "-> download GIT an other stuff.........."
-apt-get -y install git cmake build-essential libusb-1.0 qt4-qmake libpulse-dev libx11-dev sox >> ~/boswatch/install/setup_log.txt 2>&1
+apt-get -y install git cmake build-essential libusb-1.0 qt4-qmake qt4-default libpulse-dev libx11-dev sox >> ~/boswatch/install/setup_log.txt 2>&1
 
 tput cup 13 15
 echo "[ 3/10] [###-------]"