diff --git a/src/crystallite.f90 b/src/crystallite.f90
index 38c7f3e0c..c3a19fc6b 100644
--- a/src/crystallite.f90
+++ b/src/crystallite.f90
@@ -238,7 +238,7 @@ subroutine crystallite_init
   do e = FEsolving_execElem(1),FEsolving_execElem(2)
     myNcomponents = homogenization_Ngrains(material_homogenizationAt(e))
     do i = FEsolving_execIP(1), FEsolving_execIP(2); do c = 1, myNcomponents
-      crystallite_Fp0(1:3,1:3,c,i,e) = material_orientation0(c,i,e)%asMatrix()                    ! plastic def gradient reflects init orientation
+      crystallite_Fp0(1:3,1:3,c,i,e) = eu2om(material_orientation0(c,i,e)%asEulers())               ! plastic def gradient reflects init orientation
       crystallite_Fi0(1:3,1:3,c,i,e) = constitutive_initialFi(c,i,e)
       crystallite_F0(1:3,1:3,c,i,e)  = math_I3
       crystallite_localPlasticity(c,i,e) = phase_localPlasticity(material_phaseAt(c,e))