diff --git a/Z4cow/wolfram/Z4cow_set_constraint.hxx b/Z4cow/wolfram/Z4cow_set_constraint.hxx
index 3b01441a..9b7f96d3 100644
--- a/Z4cow/wolfram/Z4cow_set_constraint.hxx
+++ b/Z4cow/wolfram/Z4cow_set_constraint.hxx
@@ -993,13 +993,14 @@ local_ZtC3.store(mask, index2,
 );
 
 local_HC.store(mask, index2, 
-exAt11*exAtUU11 + 2*exAt12*exAtUU12 + 2*exAt13*exAtUU13 + exAt22*exAtUU22 + 
-  2*exAt23*exAtUU23 + exAt33*exAtUU33 - (2*Power(exKh,2))/3. - 16*cpi*rho - 
-  (8*exKh*Theta)/3. - (8*Power(Theta,2))/3. + trR
+(-3*exAt11*exAtUU11 - 6*exAt12*exAtUU12 - 6*exAt13*exAtUU13 - 
+    3*exAt22*exAtUU22 - 6*exAt23*exAtUU23 - 3*exAt33*exAtUU33 + 
+    2*Power(exKh,2) - 48*cpi*rho + 8*exKh*Theta + 8*Power(Theta,2) + 3*trR)/
+  3.
 );
 
 local_MtC1.store(mask, index2, 
-(-4*dlnW1*exAtUU11 - 4*dlnW2*exAtUU12 - 4*dlnW3*exAtUU13 + 
+(-9*dlnW1*exAtUU11 - 9*dlnW2*exAtUU12 - 9*dlnW3*exAtUU13 + 
     3*exAtUU11*Gt111 + 6*exAtUU12*Gt112 + 6*exAtUU13*Gt113 + 
     3*exAtUU22*Gt122 + 6*exAtUU23*Gt123 + 3*exAtUU33*Gt133 - 
     2*dexKh1*invgamt11 - 4*dTheta1*invgamt11 - 2*dexKh2*invgamt12 - 
@@ -1009,7 +1010,7 @@ local_MtC1.store(mask, index2,
 );
 
 local_MtC2.store(mask, index2, 
-(-4*dlnW1*exAtUU12 - 4*dlnW2*exAtUU22 - 4*dlnW3*exAtUU23 + 
+(-9*dlnW1*exAtUU12 - 9*dlnW2*exAtUU22 - 9*dlnW3*exAtUU23 + 
     3*exAtUU11*Gt211 + 6*exAtUU12*Gt212 + 6*exAtUU13*Gt213 + 
     3*exAtUU22*Gt222 + 6*exAtUU23*Gt223 + 3*exAtUU33*Gt233 - 
     2*dexKh1*invgamt12 - 4*dTheta1*invgamt12 - 2*dexKh2*invgamt22 - 
@@ -1019,7 +1020,7 @@ local_MtC2.store(mask, index2,
 );
 
 local_MtC3.store(mask, index2, 
-(-4*dlnW1*exAtUU13 - 4*dlnW2*exAtUU23 - 4*dlnW3*exAtUU33 + 
+(-9*dlnW1*exAtUU13 - 9*dlnW2*exAtUU23 - 9*dlnW3*exAtUU33 + 
     3*exAtUU11*Gt311 + 6*exAtUU12*Gt312 + 6*exAtUU13*Gt313 + 
     3*exAtUU22*Gt322 + 6*exAtUU23*Gt323 + 3*exAtUU33*Gt333 - 
     2*dexKh1*invgamt13 - 4*dTheta1*invgamt13 - 2*dexKh2*invgamt23 - 
diff --git a/Z4cow/wolfram/wl/Z4c_rhs.wl b/Z4cow/wolfram/wl/Z4c_rhs.wl
index 6caf8ba2..a68f2f79 100644
--- a/Z4cow/wolfram/wl/Z4c_rhs.wl
+++ b/Z4cow/wolfram/wl/Z4c_rhs.wl
@@ -68,11 +68,11 @@ SetEQN[ZtC[i_], (trGt[i] - trGtd[i]) / 2];
 
 (* (14) *)
 
-SetEQN[HC[], trR[] + exAt[-k, -l] exAtUU[k, l] - 2/3 (exKh[] + 2 Theta[]) ^ 2 - 16 cpi rho[]];
+SetEQN[HC[], trR[] - exAt[-k, -l] exAtUU[k, l] + 2/3 (exKh[] + 2 Theta[]) ^ 2 - 16 cpi rho[]];
 
 (* (15) *)
 
-SetEQN[MtC[i_], trdexAtUU[i] + Gt[i, -j, -k] exAtUU[j, k] - 2/3 invgamt[i, j] (dexKh[-j] + 2 dTheta[-j]) - 4/3 exAtUU[i, j] dlnW[-j] - 8 cpi invgamt[i, j] Sm[-j]];
+SetEQN[MtC[i_], trdexAtUU[i] + Gt[i, -j, -k] exAtUU[j, k] - 2/3 invgamt[i, j] (dexKh[-j] + 2 dTheta[-j]) - 3 exAtUU[i, j] dlnW[-j] - 8 cpi invgamt[i, j] Sm[-j]];
 
 (*******)