diff --git a/src/ts/interface/ts.c b/src/ts/interface/ts.c
index bc92d98..1ccd6ba 100644
--- a/src/ts/interface/ts.c
+++ b/src/ts/interface/ts.c
@@ -612,7 +612,7 @@ PetscErrorCode  TSComputeRHSJacobian(TS ts,PetscReal t,Vec U,Mat A,Mat B)
 
   if (ts->rhsjacobian.time == t && (ts->problem_type == TS_LINEAR || (ts->rhsjacobian.Xid == Uid && ts->rhsjacobian.Xstate == Ustate)) && (rhsfunction != TSComputeRHSFunctionLinear)) {
     /* restore back RHS Jacobian matrices if they have been shifted/scaled */
-    if (A == ts->Arhs) {
+    if (0 && A == ts->Arhs) {
       if (ts->rhsjacobian.shift != 0) {
         ierr = MatShift(A,-ts->rhsjacobian.shift);CHKERRQ(ierr);
       }