Index: /trunk/psModules/src/objects/pmSourceLensing.c
===================================================================
--- /trunk/psModules/src/objects/pmSourceLensing.c	(revision 37903)
+++ /trunk/psModules/src/objects/pmSourceLensing.c	(revision 37904)
@@ -105,5 +105,5 @@
   smear->X12 = R*0.5*s4*(moments->Mxxxy - moments->Mxyyy);
 
-  smear->e1  = R*(s2*(moments->Myy - moments->Mxx) + 0.25*s4 * (moments->Myyyy - moments->Mxxxx));
+  smear->e1  = R*(s2*(moments->Myy - moments->Mxx) + 0.25*s4 * (moments->Mxxxx - moments->Myyyy));
 
   smear->e2  = R*(0.5*s4*(moments->Mxxxy + moments->Mxyyy) - 2.0*s2*moments->Mxy);