diff --git a/applications/utilities/parallelProcessing/redistributePar/redistributePar.C b/applications/utilities/parallelProcessing/redistributePar/redistributePar.C
index 2b43537186..23d62c2652 100644
--- a/applications/utilities/parallelProcessing/redistributePar/redistributePar.C
+++ b/applications/utilities/parallelProcessing/redistributePar/redistributePar.C
@@ -727,13 +727,11 @@ autoPtr<mapDistributePolyMesh> redistributeAndWrite
         {
             // A zero-sized mesh with boundaries.
             // This is used to create zero-sized fields.
-            const bool oldParRun = UPstream::parRun(false);
             subsetterPtr.reset(new fvMeshSubset(mesh, zero{}));
             subsetterPtr().subMesh().init(true);
             subsetterPtr().subMesh().globalData();
             subsetterPtr().subMesh().tetBasePtIs();
             subsetterPtr().subMesh().geometricD();
-            UPstream::parRun(oldParRun);
         }
 
 
diff --git a/src/meshTools/AMIInterpolation/AMIInterpolation/AMIInterpolation.C b/src/meshTools/AMIInterpolation/AMIInterpolation/AMIInterpolation.C
index 50a48a0e91..b71a9d4237 100644
--- a/src/meshTools/AMIInterpolation/AMIInterpolation/AMIInterpolation.C
+++ b/src/meshTools/AMIInterpolation/AMIInterpolation/AMIInterpolation.C
@@ -837,6 +837,8 @@ bool Foam::AMIInterpolation::calculate
             << "AMI: no source faces present - no addressing constructed"
             << endl;
 
+        singlePatchProc_ = UPstream::myProcNo(comm_);
+
         return false;
     }