diff --git a/scripts/travis-install.sh b/scripts/travis-install.sh
index 28468aa..8bc0f04 100644
--- a/scripts/travis-install.sh
+++ b/scripts/travis-install.sh
@@ -6,8 +6,9 @@
 # upgrade
 # Taken from werkzeug, which took it from pyca/cryptography
 if [ "$TRAVIS_PYTHON_VERSION" = "pypy3" ]; then
-    git clone https://github.com/yyuu/pyenv.git ~/.pyenv;
     PYENV_ROOT="$HOME/.pyenv";
+    rm -rf "$PYENV_ROOT";
+    git clone https://github.com/yyuu/pyenv.git "$PYENV_ROOT";
     PATH="$PYENV_ROOT/bin:$PATH";
     eval "$(pyenv init -)";
     pypyversion="pypy3.5-5.7-beta";