diff --git a/docker_builds/ubuntu_bionic/do_build.sh b/docker_builds/ubuntu_bionic/do_build.sh
index 10d1bb8b..d3fef7d6 100644
--- a/docker_builds/ubuntu_bionic/do_build.sh
+++ b/docker_builds/ubuntu_bionic/do_build.sh
@@ -28,6 +28,7 @@ cd libusb-1.0.25
 ./configure
 make -j2
 make install
+cd ..
 
 # Install a more recent libairspyhf version
 git clone https://github.com/airspy/airspyhf