diff --git a/conf/init/certs_install.sh b/conf/init/certs_install.sh
index 438d9c669..2ae929ac0 100755
--- a/conf/init/certs_install.sh
+++ b/conf/init/certs_install.sh
@@ -9,9 +9,11 @@ fi
 
 # Add extra trusted certificates (as a directory)
 if [ -d /conf/stack/extra_ca_certs ]; then
-  echo "Installing extra certificates found in /conf/stack/extra_ca_certs directory"
-  cp /conf/stack/extra_ca_certs/* /usr/local/share/ca-certificates/
-  cat /conf/stack/extra_ca_certs/* >> /venv/lib/python2.7/site-packages/requests/cacert.pem
+  if test $(ls -A "/conf/stack/extra_ca_certs"); then
+      echo "Installing extra certificates found in /conf/stack/extra_ca_certs directory"
+      cp /conf/stack/extra_ca_certs/* /usr/local/share/ca-certificates/
+      cat /conf/stack/extra_ca_certs/* >> /venv/lib/python2.7/site-packages/requests/cacert.pem
+  fi
 fi
 
 # Add extra trusted certificates (as a file)