diff --git a/builder/image-build-ros.sh b/builder/image-build-ros.sh
index d86ff93c..0325aa02 100755
--- a/builder/image-build-ros.sh
+++ b/builder/image-build-ros.sh
@@ -74,6 +74,7 @@ apt-get install -y liborocos-kdl1.5 geographiclib-tools libgeographiclib-dev
 
 echo "-- Install geographiclib datasets"
 wget https://raw.githubusercontent.com/mavlink/mavros/master/mavros/scripts/install_geographiclib_datasets.sh
+chmod +x install_geographiclib_datasets.sh
 ./install_geographiclib_datasets.sh
 
 echo "--- Apply patches"