diff --git a/CHANGELOG.md b/CHANGELOG.md
index a44126b..3b84f47 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -82,6 +82,7 @@ Bugs fixed:
     on top of all other geometry.
   * A step rotate/translate group using a group forced to triangle mesh
     as a source group also gets forced to triangle mesh.
+  * Paste Transformed with a negative scale does not invert arcs.
 
 2.3
 ---
diff --git a/src/clipboard.cpp b/src/clipboard.cpp
index bbdf33e..8753e03 100644
--- a/src/clipboard.cpp
+++ b/src/clipboard.cpp
@@ -161,6 +161,23 @@ void GraphicsWindow::PasteClipboard(Vector trans, double theta, double scale) {
            n = wrkpln->NormalN(),
            p = SK.GetEntity(wrkpl->point[0])->PointGetNum();
 
+    // For arcs, reflection involves swapping the endpoints, or otherwise
+    // the arc gets inverted.
+    auto mapPoint = [scale](hEntity he) {
+        if(scale < 0) {
+            hRequest hr = he.request();
+            Request *r = SK.GetRequest(hr);
+            if(r->type == Request::Type::ARC_OF_CIRCLE) {
+                if(he.v == hr.entity(2).v) {
+                    return hr.entity(3);
+                } else if(he.v == hr.entity(3).v) {
+                    return hr.entity(2);
+                }
+            }
+        }
+        return he;
+    };
+
     ClipboardRequest *cr;
     for(cr = SS.clipboard.r.First(); cr; cr = SS.clipboard.r.NextAfter(cr)) {
         hRequest hr = AddRequest(cr->type, /*rememberForUndo=*/false);
@@ -194,7 +211,7 @@ void GraphicsWindow::PasteClipboard(Vector trans, double theta, double scale) {
             pt = pt.RotatedAbout(n, theta);
             pt = pt.Plus(trans);
             int j = (r->type == Request::Type::DATUM_POINT) ? i : i + 1;
-            SK.GetEntity(hr.entity(j))->PointForceTo(pt);
+            SK.GetEntity(mapPoint(hr.entity(j)))->PointForceTo(pt);
         }
         if(hasDistance) {
             SK.GetEntity(hr.entity(64))->DistanceForceTo(
@@ -216,8 +233,8 @@ void GraphicsWindow::PasteClipboard(Vector trans, double theta, double scale) {
         c.workplane = SS.GW.ActiveWorkplane();
         c.type = cc->type;
         c.valA = cc->valA;
-        c.ptA = SS.clipboard.NewEntityFor(cc->ptA);
-        c.ptB = SS.clipboard.NewEntityFor(cc->ptB);
+        c.ptA = SS.clipboard.NewEntityFor(mapPoint(cc->ptA));
+        c.ptB = SS.clipboard.NewEntityFor(mapPoint(cc->ptB));
         c.entityA = SS.clipboard.NewEntityFor(cc->entityA);
         c.entityB = SS.clipboard.NewEntityFor(cc->entityB);
         c.entityC = SS.clipboard.NewEntityFor(cc->entityC);