diff --git a/juliadf/init-juliadf.sh b/juliadf/init-juliadf.sh
index cd4eab74..8f26fe16 100755
--- a/juliadf/init-juliadf.sh
+++ b/juliadf/init-juliadf.sh
@@ -3,4 +3,5 @@ set -e
 
 # upgrade to latest devel
 echo 'upgrading juliadf...'
-julia -q -e 'using Pkg; Pkg.update();' > /dev/null
+julia -q -e 'using Pkg; Pkg.update();' > /dev/null 2>&1
+