diff --git a/tests/lbm/SuViscoelasticityTest.cpp b/tests/lbm/SuViscoelasticityTest.cpp
index b58ec8375fae1afec1adbc8a783083a4ff4bbfa9..f305761eb8fd681d9fbfeb1c7d8d5b3d7c9fce71 100644
--- a/tests/lbm/SuViscoelasticityTest.cpp
+++ b/tests/lbm/SuViscoelasticityTest.cpp
@@ -43,7 +43,7 @@
 
 #include "timeloop/SweepTimeloop.h"
 
-using namespace walberla;
+namespace walberla {
 
 //////////////
 // TYPEDEFS //
@@ -314,3 +314,5 @@ int main(int argc, char ** argv ){
    }
 
 }
+
+}