diff --git a/tests/DuneIstlTestHelpers.hpp b/tests/DuneIstlTestHelpers.hpp
index 2d09c0489..b6838b9d1 100644
--- a/tests/DuneIstlTestHelpers.hpp
+++ b/tests/DuneIstlTestHelpers.hpp
@@ -61,7 +61,7 @@ struct MPIFixture {
 };
 
 
-BOOST_GLOBAL_FIXTURE(MPIFixture)
+BOOST_GLOBAL_FIXTURE(MPIFixture);
 
 struct MyMatrix
 {