diff --git a/src/meshTools/AMIInterpolation/AMIInterpolation/AMIInterpolation.C b/src/meshTools/AMIInterpolation/AMIInterpolation/AMIInterpolation.C
index f37d7ae2bd..8bc8b86d2e 100644
--- a/src/meshTools/AMIInterpolation/AMIInterpolation/AMIInterpolation.C
+++ b/src/meshTools/AMIInterpolation/AMIInterpolation/AMIInterpolation.C
@@ -190,12 +190,13 @@ void Foam::AMIInterpolation<SourcePatch, TargetPatch>::normaliseWeights
     wghtSum.setSize(wght.size());
     forAll(wght, faceI)
     {
-        scalar s = sum(wght[faceI]);
+        scalarList& w = wght[faceI];
+        scalar s = sum(w);
         scalar t = s/patchAreas[faceI];
 
-        forAll(addr[faceI], i)
+        forAll(w, i)
         {
-            wght[faceI][i] /= s;
+            w[i] /= s;
         }
 
         wghtSum[faceI] = t;
diff --git a/src/meshTools/AMIInterpolation/AMIInterpolation/AMIMethod/faceAreaWeightAMI/faceAreaWeightAMI.C b/src/meshTools/AMIInterpolation/AMIInterpolation/AMIMethod/faceAreaWeightAMI/faceAreaWeightAMI.C
index 820d3f22fc..ab47c3afb4 100644
--- a/src/meshTools/AMIInterpolation/AMIInterpolation/AMIMethod/faceAreaWeightAMI/faceAreaWeightAMI.C
+++ b/src/meshTools/AMIInterpolation/AMIInterpolation/AMIMethod/faceAreaWeightAMI/faceAreaWeightAMI.C
@@ -67,7 +67,7 @@ bool Foam::faceAreaWeightAMI<SourcePatch, TargetPatch>::processSourceFace
         visitedFaces.append(tgtFaceI);
         scalar area = interArea(srcFaceI, tgtFaceI);
 
-        // store when intersection area > 0
+        // store when intersection fractional area > tolerance
         if (area/this->srcMagSf_[srcFaceI] > faceAreaIntersect::tolerance())
         {
             srcAddr[srcFaceI].append(tgtFaceI);
@@ -227,12 +227,9 @@ Foam::scalar Foam::faceAreaWeightAMI<SourcePatch, TargetPatch>::interArea
     const face& tgt = this->tgtPatch_[tgtFaceI];
 
     // quick reject if either face has zero area
-    // Note: do not used stored face areas for target patch
+    // Note: do not use stored face areas for target patch
     const scalar tgtMag = tgt.mag(tgtPoints);
-    if
-    (
-        (this->srcMagSf_[srcFaceI] < ROOTVSMALL) || (tgtMag < ROOTVSMALL)
-    )
+    if ((this->srcMagSf_[srcFaceI] < ROOTVSMALL) || (tgtMag < ROOTVSMALL))
     {
         return 0.0;
     }