diff --git a/.travis.yml b/.travis.yml
index ee25fa6..5e24365 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,14 +19,14 @@ env:
 
 before_install:
   # xdebug causes hangs on PHP 7.1 and 7.2
-  - if [ "$TRAVIS_PHP_VERSION" = "7.1"] || ["$TRAVIS_PHP_VERSION" = "7.2" ]; then
+  - if [ "$TRAVIS_PHP_VERSION" == "7.1"] || ["$TRAVIS_PHP_VERSION" == "7.2" ]; then
       phpenv config-rm xdebug.ini || echo "No xdebug config.";
     fi
 
 install:
   - composer update -n --prefer-dist
   # ext-pthreads is only supported on PHP 7.2 and 7.3
-  - if [ "$TRAVIS_PHP_VERSION" = "7.2"] || ["$TRAVIS_PHP_VERSION" = "7.3" ]; then
+  - if [ "$TRAVIS_PHP_VERSION" == "7.2"] || ["$TRAVIS_PHP_VERSION" == "7.3" ]; then
       travis/install-pthreads.sh;
     fi
   # ext-parallel is only supported on PHP 7.2+