diff --git a/applications/utilities/surface/surfaceFeatureConvert/surfaceFeatureConvert.C b/applications/utilities/surface/surfaceFeatureConvert/surfaceFeatureConvert.C
index 47ba9eb2a9..03c18cd3e9 100644
--- a/applications/utilities/surface/surfaceFeatureConvert/surfaceFeatureConvert.C
+++ b/applications/utilities/surface/surfaceFeatureConvert/surfaceFeatureConvert.C
@@ -230,8 +230,8 @@ void write
 int main(int argc, char *argv[])
 {
     argList::noParallel();
-    argList::validArgs.append("surface");
-    argList::validArgs.append("output name");
+    argList::validArgs.append("input file");
+    argList::validArgs.append("output file");
 #   include "setRootCase.H"
 #   include "createTime.H"
 
diff --git a/src/OSspecific/Unix/Unix.C b/src/OSspecific/Unix/Unix.C
index 830f48e71a..e50444a236 100644
--- a/src/OSspecific/Unix/Unix.C
+++ b/src/OSspecific/Unix/Unix.C
@@ -103,11 +103,7 @@ bool Foam::setEnv
     const bool overwrite
 )
 {
-#   ifdef linux
     return setenv(envName.c_str(), value.c_str(), overwrite) == 0;
-#   else
-    return putenv((char*)(envName + '=' + value.c_str()).c_str()) == 0;
-#   endif
 }
 
 
diff --git a/src/triSurface/triSurface/interfaces/STL/readSTLASCII.L b/src/triSurface/triSurface/interfaces/STL/readSTLASCII.L
index c6343dd55e..fe49521d0d 100644
--- a/src/triSurface/triSurface/interfaces/STL/readSTLASCII.L
+++ b/src/triSurface/triSurface/interfaces/STL/readSTLASCII.L
@@ -438,6 +438,7 @@ bool triSurface::readSTLASCII(const fileName& STLfileName)
 
     STLlabels.clear();
 
+    // Stitch all points within SMALL meters.
     stitchTriangles(rawPoints);
 
     // Convert solidNames into regionNames
diff --git a/src/triSurface/triSurface/stitchTriangles.C b/src/triSurface/triSurface/stitchTriangles.C
index 5b22529bdd..a9bf3c4782 100644
--- a/src/triSurface/triSurface/stitchTriangles.C
+++ b/src/triSurface/triSurface/stitchTriangles.C
@@ -42,17 +42,16 @@ bool triSurface::stitchTriangles
 )
 {
     // Merge points
-    labelList pointMap(rawPoints.size());
-
-    pointField newPoints(rawPoints.size());
-
+    labelList pointMap;
+    pointField newPoints;
     bool hasMerged = mergePoints(rawPoints, tol, verbose, pointMap, newPoints);
 
     if (hasMerged)
     {
         if (verbose)
         {
-            Pout<< "stitchTriangles : Renumbering all triangles" << endl;
+            Pout<< "stitchTriangles : Merged from " << rawPoints.size()
+                << " points down to " << newPoints.size() << endl;
         }
 
         pointField& ps = const_cast<pointField&>(points());
@@ -73,6 +72,7 @@ bool triSurface::stitchTriangles
                 operator[](newTriangleI)[0] = newA;
                 operator[](newTriangleI)[1] = newB;
                 operator[](newTriangleI)[2] = newC;
+                operator[](newTriangleI).region() = operator[](i).region();
                 newTriangleI++;
             }
             else if (verbose)
diff --git a/src/triSurface/triSurface/triSurface.C b/src/triSurface/triSurface/triSurface.C
index 265b08d9c8..b58c2f6f58 100644
--- a/src/triSurface/triSurface/triSurface.C
+++ b/src/triSurface/triSurface/triSurface.C
@@ -651,7 +651,7 @@ surfacePatchList triSurface::calcPatches(labelList& faceMap) const
     {
         sortedRegion[faceI] = operator[](faceI).region();
     }
-    sortedRegion.sort();
+    sortedRegion.stableSort();
 
     faceMap = sortedRegion.indices();
 
@@ -1214,7 +1214,11 @@ void triSurface::writeStats(Ostream& os) const
 {
     // Calculate bounding box without any additional addressing
     // Copy of treeBoundBox code. Cannot use meshTools from triSurface...
-    boundBox bb;
+    boundBox bb
+    (
+        point(VGREAT, VGREAT, VGREAT),
+        point(-VGREAT, -VGREAT, -VGREAT)
+    );
     forAll(*this, triI)
     {
         const labelledTri& f = operator[](triI);