diff --git a/dirneucoupling.cc b/dirneucoupling.cc
index f263b96f24289cadd385fdf025d1be1da829822e..9e6062cdd84926fd70d81b882ea1c5be722523c8 100644
--- a/dirneucoupling.cc
+++ b/dirneucoupling.cc
@@ -211,7 +211,7 @@ int main (int argc, char *argv[]) try
     //   Create a solver for the rod problem
     // ///////////////////////////////////////////
     RodAssembler<RodGridType> rodAssembler(rodGrid);
-    rodAssembler.setShapeAndMaterial(1, 1/12, 1/12, 2.5e5, 0.3);
+    rodAssembler.setShapeAndMaterial(1, 1.0/12, 1.0/12, 2.5e5, 0.3);
 
     RodSolver<RodGridType> rodSolver;
     rodSolver.setup(rodGrid,