diff --git a/scripts/install.sh b/scripts/install.sh
index 50d1e48..13b209d 100755
--- a/scripts/install.sh
+++ b/scripts/install.sh
@@ -25,7 +25,7 @@ fi
 
 # Travis ships with an old version of PyPy, so install at least version 2.6.
 if [[ "${TOX_ENV}" == "pypy" ]]; then
-    if [ ! -d "${HOME}/.pyenv" ]; then
+    if [ ! -d "${HOME}/.pyenv/bin" ]; then
         git clone https://github.com/yyuu/pyenv.git ${HOME}/.pyenv
     fi
     ${HOME}/.pyenv/bin/pyenv install --skip-existing pypy-2.6.0