diff --git a/build/jsroot.js b/build/jsroot.js
index 9dfba3da9..cbff307da 100644
--- a/build/jsroot.js
+++ b/build/jsroot.js
@@ -12,7 +12,7 @@ const version_id = '7.7.x',
 
 /** @summary version date
   * @desc Release date in format day/month/year like '14/04/2022' */
-version_date = '28/10/2024',
+version_date = '30/10/2024',
 
 /** @summary version id and date
   * @desc Produced by concatenation of {@link version_id} and {@link version_date}
@@ -99272,7 +99272,7 @@ class TFile {
          // multipart messages requires special handling
 
          const indx = hdr.indexOf('boundary=');
-         let boundary = '', n = first, o = 0;
+         let boundary = '', n = first, o = 0, normal_order = true;
          if (indx > 0) {
             boundary = hdr.slice(indx + 9);
             if ((boundary[0] === '"') && (boundary[boundary.length - 1] === '"'))
@@ -99326,12 +99326,34 @@ class TFile {
                blobs.push(new DataView(res, o, place[n + 1]));
                o += place[n + 1];
                n += 2;
-            } else {
+            } else if (normal_order) {
+               const n0 = n;
                while ((n < last) && (place[n] >= segm_start) && (place[n] + place[n + 1] - 1 <= segm_last)) {
                   blobs.push(new DataView(res, o + place[n] - segm_start, place[n + 1]));
                   n += 2;
                }
 
+               if (n > n0)
+                  o += (segm_last - segm_start + 1);
+               else
+                  normal_order = false;
+            }
+
+            if (!normal_order) {
+               // special situation when server reorder segments in the reply
+               let isany = false;
+               for (let n1 = n; n1 < last; n1 += 2) {
+                  if ((place[n1] >= segm_start) && (place[n1] + place[n1 + 1] - 1 <= segm_last)) {
+                     blobs[n1/2] = new DataView(res, o + place[n1] - segm_start, place[n1 + 1]);
+                     isany = true;
+                  }
+               }
+               if (!isany)
+                  return rejectFunc(Error(`Provided fragment ${segm_start} - ${segm_last} out of requested multi-range request`));
+
+               while (blobs[n/2])
+                  n += 2;
+
                o += (segm_last - segm_start + 1);
             }
          }
diff --git a/changes.md b/changes.md
index 14e855c3e..d4fc12967 100644
--- a/changes.md
+++ b/changes.md
@@ -6,6 +6,7 @@
 3. Fix - do not force style 8 for hist markers
 4. Fix - ensure minimal hist title height
 5. Fix - disable Bloom effect on Android
+6. Fix - handle reordering of fragments in multipart reply #319
 
 
 ## Changes in 7.7.4
diff --git a/modules/core.mjs b/modules/core.mjs
index 92a5eae1a..1331ac971 100644
--- a/modules/core.mjs
+++ b/modules/core.mjs
@@ -4,7 +4,7 @@ const version_id = '7.7.x',
 
 /** @summary version date
   * @desc Release date in format day/month/year like '14/04/2022' */
-version_date = '28/10/2024',
+version_date = '30/10/2024',
 
 /** @summary version id and date
   * @desc Produced by concatenation of {@link version_id} and {@link version_date}