diff --git a/conf/coupled/gamm-paper/coarse-biventricle.conf b/conf/coupled/gamm-paper/coarse-biventricle.conf
index 6bb3bf45558f801a194c075ffbb97cb17f1de937..0d47b5f146c767f76002455e22a5e8bdfeff7063 100644
--- a/conf/coupled/gamm-paper/coarse-biventricle.conf
+++ b/conf/coupled/gamm-paper/coarse-biventricle.conf
@@ -1,3 +1,4 @@
+activeDeformation = 1
 WithPrestress = true
 PrestressSteps = 1
 withPressure = 1
@@ -19,7 +20,6 @@ linearImplicitSolverCell = 1
 cell_values = 1
 deformConcentrationStretch = 1 #1
 withPressure = 0
-updateStretch = 1
 timeStepExtrapolation = 0
 DampExtrapolation = 0.5;
 Mesh = KovachevaBiventricle
@@ -109,8 +109,8 @@ MechMeshPart = vessel_base
 #TractionK = 0
 #TractionC = 0
 
-TractionK = 0.1
-TractionC = 5e-3
+TractionK = 0#0.1
+TractionC = 0#5e-3
 
 #------------------------
 # Stretch Parameters