diff --git a/src/pntest/pn1p.ini b/src/pntest/pn1p.ini
index d78203a728bc10ecb82f610b590d25f5fd36158b..e60b9468bb9f7ec6143c2783674491b5450672f8 100644
--- a/src/pntest/pn1p.ini
+++ b/src/pntest/pn1p.ini
@@ -29,7 +29,7 @@ Sigma3=1
 dtMax = 0.002
 
 [Initial]
-shape = 0
+shape = 1
 # FlowVyy= 10# pConst/(Domain_width * mu)
 #pConst=0.1
 #uConst=0.5
diff --git a/src/pntest/pntest.cc b/src/pntest/pntest.cc
index e078868bdd23a94129a3b7ac4762afcf84a6a911..30751c7c89ba8b4c38747a95439abf04d6c25821 100644
--- a/src/pntest/pntest.cc
+++ b/src/pntest/pntest.cc
@@ -55,7 +55,7 @@ int main(int argc, char** argv)
 
     //Set initial Shape
     //param.initial.shape = INITIAL_SHAPE_SQUARE;
-    //param.initial.shape = INITIAL_SHAPE_CIRCLE;
+    param.initial.shape = INITIAL_SHAPE_CIRCLE;
 
     //Create Simulation
     Pn_1PFlow<Parameters> pn_1pFlow(GridFilename,OutputFilename,param, 10e-6); //Last Parameter is initial pore Radius in m