diff --git a/letsencrypt-auto-source/letsencrypt-auto b/letsencrypt-auto-source/letsencrypt-auto
index 9f22324e7..fbad10d45 100755
--- a/letsencrypt-auto-source/letsencrypt-auto
+++ b/letsencrypt-auto-source/letsencrypt-auto
@@ -137,7 +137,7 @@ run_with_env() {
     prefix="sudo"
     shift 1
   fi
-  $prefix LE_AUTO_DIR_TEMPLATE="$LE_AUTO_DIR_TEMPLATE" LE_AUTO_JSON_URL="$LE_AUTO_JSON_URL" LE_AUTO_PUBLIC_KEY="$LE_AUTO_PUBLIC_KEY" LE_PYTHON="$LE_PYTHON" OLD_VENV_PATH="$OLD_VENV_PATH" VENV_PATH="$VENV_PATH" "$@"
+  $prefix LE_AUTO_DIR_TEMPLATE="$LE_AUTO_DIR_TEMPLATE" LE_AUTO_JSON_URL="$LE_AUTO_JSON_URL" LE_AUTO_PUBLIC_KEY="$LE_AUTO_PUBLIC_KEY" LE_PYTHON="$LE_PYTHON" OLD_VENV_PATH="$OLD_VENV_PATH" PIP_FIND_LINKS="$PIP_FIND_LINKS" VENV_PATH="$VENV_PATH" "$@"
 }
 
 # We need to preserve certain environment variables and because the parameters
diff --git a/letsencrypt-auto-source/letsencrypt-auto.template b/letsencrypt-auto-source/letsencrypt-auto.template
index cd3314e15..42ce69ffe 100755
--- a/letsencrypt-auto-source/letsencrypt-auto.template
+++ b/letsencrypt-auto-source/letsencrypt-auto.template
@@ -137,7 +137,7 @@ run_with_env() {
     prefix="sudo"
     shift 1
   fi
-  $prefix LE_AUTO_DIR_TEMPLATE="$LE_AUTO_DIR_TEMPLATE" LE_AUTO_JSON_URL="$LE_AUTO_JSON_URL" LE_AUTO_PUBLIC_KEY="$LE_AUTO_PUBLIC_KEY" LE_PYTHON="$LE_PYTHON" OLD_VENV_PATH="$OLD_VENV_PATH" VENV_PATH="$VENV_PATH" "$@"
+  $prefix LE_AUTO_DIR_TEMPLATE="$LE_AUTO_DIR_TEMPLATE" LE_AUTO_JSON_URL="$LE_AUTO_JSON_URL" LE_AUTO_PUBLIC_KEY="$LE_AUTO_PUBLIC_KEY" LE_PYTHON="$LE_PYTHON" OLD_VENV_PATH="$OLD_VENV_PATH" PIP_FIND_LINKS="$PIP_FIND_LINKS" VENV_PATH="$VENV_PATH" "$@"
 }
 
 # We need to preserve certain environment variables and because the parameters