diff --git a/_travis/prepare_linux.sh b/_travis/prepare_linux.sh
index 365023b9fc4113bc39552147f38cc6e7f85e61ff..2c99b9d98e6a464371f9cf6ea11fc0cfef8c7ec5 100755
--- a/_travis/prepare_linux.sh
+++ b/_travis/prepare_linux.sh
@@ -7,7 +7,7 @@ sudo apt-get install python-numpy python-setuptools python-networkx python-pip
 sudo apt-get install cmake cdbs
 sudo apt-get install python-suds python-matplotlib python-nose python-lxml
 sudo apt-get install python-qt4-dev python-qt4-gl python-sip-dev libqt4-dev libopenscenegraph-dev
+sudo apt-get install libgsl0-dev
 sudo apt-get install doxygen python-sphinx 
 sudo apt-get install git-buildpackage 
-sudo apt-get install libgsl-dev
 sudo apt-get install -f