diff --git a/tutorials/poisson_overlap/main.cpp b/tutorials/poisson_overlap/main.cpp
index fd2474aa0af7a6258dc064c5dddbe8518dc7985b..405d84fe9c4bc7b52b18938bde2b10b9b02c948c 100644
--- a/tutorials/poisson_overlap/main.cpp
+++ b/tutorials/poisson_overlap/main.cpp
@@ -101,7 +101,7 @@ int main(int argc, char **argv)
   formulation.pre();
   int iterMax = 1000;
   gmshDdm.userDefinedParameter(iterMax, "iter");
-  formulation.solve("jacobi", 1e-6, iterMax);
+  formulation.solve("jacobi", 1e-10, iterMax);
 
 
   for(unsigned int i = 0; i < nDom; ++i) {