diff --git a/.travis.yml b/.travis.yml
index 7f13d5b60c..f07e7de568 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -108,7 +108,7 @@ before_install:
           local ext_name=$1
           local ext_so=$2
           local ext_dir=$(php -r "echo ini_get('extension_dir');")
-          local ext_cache=~/php-ext/$(basename $ext_dir)/$ext_name
+          local ext_cache=php-ext/$(basename $ext_dir)/$ext_name
 
           if [[ -e $ext_cache/$ext_so ]]; then
               echo extension = $ext_cache/$ext_so >> $INI