diff --git a/.travis.yml b/.travis.yml
index a40acaf..805f719 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,11 +9,11 @@ env:
 before_script:
   - sudo apt-get update
   - sudo apt-get install python3-dev
-  - if [ -z "COVERAGEPY" ]; then
+  - if [ -z "$COVERAGEPY" ]; then
       sudo apt-get install python-coverage;
     else
       wget https://bootstrap.pypa.io/get-pip.py &&
-      sudo python3 get-pip.py --allow-external sudo &&
+      sudo python3 get-pip.py &&
       sudo pip3 install coverage="$COVERAGEPY";
     fi
   - if [ $CI_TARGET = vim ]; then