diff --git a/test/python/runTests.py b/test/python/runTests.py
index 97fc5b520..3c31b09a8 100644
--- a/test/python/runTests.py
+++ b/test/python/runTests.py
@@ -22,7 +22,7 @@ if __name__ == '__main__':
     loader = unittest.TestLoader()
     runner = unittest.TextTestRunner(verbosity=2)
     suite = loader.loadTestsFromName('testSolution')
-    suite = loader.loadTestsFromName('testKinetics')
+    suite.addTests(loader.loadTestsFromName('testKinetics'))
     suite.addTests(loader.loadTestsFromName('testPureFluid'))
     suite.addTests(loader.loadTestsFromName('testEquilibrium'))
     suite.addTests(loader.loadTestsFromName('testReactors'))