diff --git a/PRIVATE b/PRIVATE
index 277b4a693..76bb51348 160000
--- a/PRIVATE
+++ b/PRIVATE
@@ -1 +1 @@
-Subproject commit 277b4a693a57c1e4583bcf8ea2205f9b5d147198
+Subproject commit 76bb51348de75207d483d369628670e5ae51dca9
diff --git a/src/homogenization_mechanical_RGC.f90 b/src/homogenization_mechanical_RGC.f90
index 36a335370..76676726a 100644
--- a/src/homogenization_mechanical_RGC.f90
+++ b/src/homogenization_mechanical_RGC.f90
@@ -652,8 +652,8 @@ module function RGC_updateState(P,F,avgF,dt,dPdF,ce) result(doneAndHappy)
     real(pReal), dimension(6,6) :: C
 
 
-    C = phase_homogenizedC66(material_phaseID(co,ce),material_phaseEntry(co,ce))
-    equivalentMu = lattice_equivalent_mu(math_sym3333to66(math_Voigt66to3333(C)),'voigt')           !ToDo: Bug, should be Voigt not sym
+    C = phase_homogenizedC66(material_phaseID(co,ce),material_phaseEntry(co,ce))                    ! damage not included!
+    equivalentMu = lattice_equivalent_mu(C,'voigt')
 
   end function equivalentMu