diff --git a/integration-tests/source/systemtest/testcase.py b/integration-tests/source/systemtest/testcase.py
index 9940873a5682ea2be431b397f1c8235d132d1fab..79dbaada6c740b985c4ac57332cf39f68b1e7b0b 100644
--- a/integration-tests/source/systemtest/testcase.py
+++ b/integration-tests/source/systemtest/testcase.py
@@ -175,7 +175,7 @@ class TestCase(object):
         The technologies are an array of enabled technologies.
         """
         installerPath = self.artifactRepository.getPathToArtifact(INSTALLER_PROJECT, 'openBIS-installation')
-        installerFileName = os.path.basename(installerPath).split('.')[0]
+        installerFileName = os.path.basename(installerPath).rpartition('.tar')[0]
         util.executeCommand(['tar', '-zxf', installerPath, '-C', self.playgroundFolder], 
                             "Couldn't untar openBIS installer.")
         consolePropertiesFile = "%s/%s/console.properties" % (self.playgroundFolder, installerFileName)