diff --git a/tests/libsodium/install.sh b/tests/libsodium/install.sh
index be57b90..6cca56e 100755
--- a/tests/libsodium/install.sh
+++ b/tests/libsodium/install.sh
@@ -6,4 +6,5 @@ if [ ! -d libsodium-1.0.1 ]; then
 fi
 pushd libsodium-1.0.1
 ./configure && make && make install || exit 1
+sudo ldconfig
 popd