diff --git a/travis/setup-php-extensions.sh b/travis/setup-php-extensions.sh
index 2b0bbb5baf..142d3cc242 100755
--- a/travis/setup-php-extensions.sh
+++ b/travis/setup-php-extensions.sh
@@ -58,7 +58,7 @@ fi
 phpenv config-rm xdebug.ini || true
 
 # memcached
-install_php_extension 'memcached' "$php_ini_file"
+echo "extension = memcached.so" >> "$php_ini_file"
 
 # redis
 # Disabled redis for now as it causes travis to fail