diff --git a/src/plots/cartesian/dragbox.js b/src/plots/cartesian/dragbox.js
index 0aa0caceee2..123edb2efce 100644
--- a/src/plots/cartesian/dragbox.js
+++ b/src/plots/cartesian/dragbox.js
@@ -499,7 +499,7 @@ function makeDragBox(gd, plotinfo, x, y, w, h, ns, ew) {
             var axRange = Lib.simpleMap(ax.range, ax.r2l);
             var v0 = axRange[0] + (axRange[1] - axRange[0]) * centerFraction;
             function doZoom(v) { return ax.l2r(v0 + (v - v0) * zoom); }
-            ax.range = axRange.map(doZoom);
+            ax.range = ax._input.range = axRange.map(doZoom);
         }
 
         if(editX) {
@@ -613,7 +613,12 @@ function makeDragBox(gd, plotinfo, x, y, w, h, ns, ew) {
 
                 // if l2r comes back false or undefined, it means we've dragged off
                 // the end of valid ranges - so stop.
-                if(newEnd !== false && newEnd !== undefined) axi.range[end] = newEnd;
+                if(newEnd !== false && newEnd !== undefined) {
+                    axi.range[end] = newEnd;
+                    // keep ax._input.range (the user-facing layout) in sync so
+                    // plotly_relayouting handlers reading gd.layout see fresh values
+                    axi._input.range = axi.range.slice();
+                }
             }
             return movedAx._length * (movedAx._rl[end] - newLinearizedEnd) /
                 (movedAx._rl[end] - movedAx._rl[otherEnd]);
@@ -710,7 +715,7 @@ function makeDragBox(gd, plotinfo, x, y, w, h, ns, ew) {
                     out[ax._name + '.range[0]'] = out[ax2._name + '.range[0]'];
                     out[ax._name + '.range[1]'] = out[ax2._name + '.range[1]'];
                 } else {
-                    ax.range = ax2.range.slice();
+                    ax.range = ax._input.range = ax2.range.slice();
                 }
             }
         }
@@ -1120,12 +1125,12 @@ function dragAxList(axList, pix) {
                 var d1 = axi.p2l(p1 + pix) - axi.p2l(p1);
                 var delta = (d0 + d1) / 2;
 
-                axi.range = [
+                axi.range = axi._input.range = [
                     axi.l2r(axi._rl[0] - delta),
                     axi.l2r(axi._rl[1] - delta)
                 ];
             } else {
-                axi.range = [
+                axi.range = axi._input.range = [
                     axi.l2r(axi._rl[0] - pix / axi._m),
                     axi.l2r(axi._rl[1] - pix / axi._m)
                 ];