diff --git a/web/ui/react-app/src/vendor/flot/jquery.flot.stack.js b/web/ui/react-app/src/vendor/flot/jquery.flot.stack.js
index 0bf160aa6..1c172d58f 100644
--- a/web/ui/react-app/src/vendor/flot/jquery.flot.stack.js
+++ b/web/ui/react-app/src/vendor/flot/jquery.flot.stack.js
@@ -108,13 +108,11 @@ charts or filled areas).
         l = newpoints.length;
 
         if (i < points.length && points[i] == null) {
-          // copy gaps
-          for (m = 0; m < ps; ++m) newpoints.push(points[i + m]);
+          // take the points from the previous series
+          for (m = 0; m < ps; ++m) newpoints.push(otherpoints[i + m]);
+          if (withbottom) newpoints[l + 2] = otherpoints[i + accumulateOffset];
           i += ps;
         } else if (i >= points.length) {
-          // take the remaining points from the previous series
-          for (m = 0; m < ps; ++m) newpoints.push(otherpoints[j + m]);
-          if (withbottom) newpoints[l + 2] = otherpoints[j + accumulateOffset];
           j += otherps;
         } else if (j >= otherpoints.length) {
           // take the remaining points from the current series