diff --git a/.scripts/run-tests.sh b/.scripts/run-tests.sh
index a8f81682..cee1d9aa 100755
--- a/.scripts/run-tests.sh
+++ b/.scripts/run-tests.sh
@@ -2,6 +2,6 @@
 
 # Wrapper for the test executing function so we only have to change it in one place.
 # The module name gets passed in as a command line arg.
-COMMAND="$DRUPAL_DIR/vendor/bin/phpunit -c $PHPUNIT_FILE --verbose --testsuite "$1"
+COMMAND="$DRUPAL_DIR/vendor/bin/phpunit -c $PHPUNIT_FILE --verbose --testsuite $1"
 echo $COMMAND
 $COMMAND