diff --git a/testsuite/integration-arquillian/tests/other/adapters/pom.xml b/testsuite/integration-arquillian/tests/other/adapters/pom.xml
index 9e13566..d3afb4b 100644
--- a/testsuite/integration-arquillian/tests/other/adapters/pom.xml
+++ b/testsuite/integration-arquillian/tests/other/adapters/pom.xml
@@ -84,6 +84,9 @@
<exclude.test>-</exclude.test>
<exclude.cors.tests>**/cors/*Test.java</exclude.cors.tests>
+ <!-- Use phantomjs as default browser for adapters, since javascript doesn't work correctly on htmlUnit (KEYCLOAK-4703) -->
+ <browser>phantomjs</browser>
+
</properties>
<modules>
