diff --git a/evolution-fix-javascript-code.patch b/evolution-fix-javascript-code.patch
new file mode 100644
index 0000000..b843cee
--- /dev/null
+++ b/evolution-fix-javascript-code.patch
@@ -0,0 +1,90 @@
+From 811a6df1f990855e49ecc0ba7b1a7f7a5ec251e6 Mon Sep 17 00:00:00 2001
+From: Milan Crha <mcrha@redhat.com>
+Date: Fri, 29 Aug 2025 07:42:10 +0200
+Subject: [PATCH] I#3124 - JavaScript: Correct dictionary objects creation
+ (WebKitGTK 2.49.4)
+
+The arrays do not have named indexes, though it worked only by a chance
+with the previous WebKitGTK versions. Correct how the objects are created
+to follow the standard.
+
+Closes https://gitlab.gnome.org/GNOME/evolution/-/issues/3124
+---
+ data/webkit/e-editor.js   | 10 +++++-----
+ data/webkit/e-web-view.js |  4 ++--
+ 2 files changed, 7 insertions(+), 7 deletions(-)
+
+diff --git a/data/webkit/e-editor.js b/data/webkit/e-editor.js
+index c4e643d9ea..340ff54643 100644
+--- a/data/webkit/e-editor.js
++++ b/data/webkit/e-editor.js
+@@ -4409,7 +4409,7 @@ EvoEditor.LinkGetProperties = function()
+ 	var res = null, anchor = EvoEditor.getParentElement("A", null, false);
+ 
+ 	if (anchor) {
+-		res = [];
++		res = {};
+ 		res["href"] = anchor.hasAttribute("href") ? anchor.getAttribute("href") : "";
+ 		res["text"] = anchor.innerText;
+ 		res["name"] = anchor.name;
+@@ -4419,7 +4419,7 @@ EvoEditor.LinkGetProperties = function()
+ 		range = document.getSelection().getRangeAt(0);
+ 
+ 		if (range) {
+-			res = [];
++			res = {};
+ 			res["text"] = range.toString();
+ 		}
+ 	}
+@@ -5513,7 +5513,7 @@ EvoEditor.InsertSignature = function(content, isHTML, canRepositionCaret, uid, f
+ 		EvoUndoRedo.StopRecord(EvoUndoRedo.RECORD_KIND_GROUP, "InsertSignature");
+ 	}
+ 
+-	var res = [];
++	var res = {};
+ 
+ 	res["fromMessage"] = fromMessage;
+ 	res["checkChanged"] = checkChanged;
+@@ -6722,7 +6722,7 @@ EvoEditor.onContextMenu = function(event)
+ 	if (document.getSelection().isCollapsed)
+ 		nodeFlags |= EvoEditor.E_CONTENT_EDITOR_NODE_IS_TEXT_COLLAPSED;
+ 
+-	res = [];
++	res = {};
+ 
+ 	res["nodeFlags"] = nodeFlags;
+ 	res["caretWord"] = EvoEditor.GetCaretWord();
+@@ -6743,7 +6743,7 @@ document.onselectionchange = function() {
+ 	EvoEditor.maybeUpdateFormattingState(EvoEditor.forceFormatStateUpdate ? EvoEditor.FORCE_YES : EvoEditor.FORCE_MAYBE);
+ 	EvoEditor.forceFormatStateUpdate = false;
+ 
+-	var sel = document.getSelection(), args = [];
++	var sel = document.getSelection(), args = {};
+ 
+ 	args["isCollapsed"] = sel.isCollapsed;
+ 
+diff --git a/data/webkit/e-web-view.js b/data/webkit/e-web-view.js
+index 591ee4f20e..b83899ba32 100644
+--- a/data/webkit/e-web-view.js
++++ b/data/webkit/e-web-view.js
+@@ -399,7 +399,7 @@ Evo.elementClicked = function(elem)
+ 		dom_window = parent_dom_window;
+ 	}
+ 
+-	var res = [];
++	var res = {};
+ 
+ 	res["iframe-id"] = parent_iframe_id;
+ 	res["elem-id"] = elem.id;
+@@ -617,7 +617,7 @@ Evo.GetElementFromPoint = function(xx, yy)
+ 	if (!elem)
+ 		return null;
+ 
+-	var res = [], iframe;
++	var res = {}, iframe;
+ 
+ 	iframe = elem.ownerDocument.defaultView.frameElement;
+ 
+-- 
+2.51.0
+
diff --git a/evolution.changes b/evolution.changes
index d3d353c..ac47eea 100644
--- a/evolution.changes
+++ b/evolution.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Tue Oct 28 19:40:36 UTC 2025 - Michael Gorse <mgorse@suse.com>
+
+- Add evolution-fix-javascript-code.patch: Fix JavaScript
+  dictionary objects creation. Needed for WebKitGTK >= 2.50
+  (bsc#1252722 glgo#GNOME/evolution#3124).
+
 -------------------------------------------------------------------
 Tue Jun 24 03:39:39 UTC 2025 - Alynx Zhou <alynx.zhou@suse.com>
 
diff --git a/evolution.spec b/evolution.spec
index d8a3b17..8c994ca 100644
--- a/evolution.spec
+++ b/evolution.spec
@@ -31,6 +31,8 @@ URL:            https://wiki.gnome.org/Apps/Evolution/
 Source0:        %{name}-%{version}.tar.zst
 # PATCH-FIX-UPSTREAM evolution-fix-gtk-call-from-other-thread.patch bsc#1243898 alynx.zhou@suse.com -- Fix crash because of GTK call from other thread
 Patch0:         evolution-fix-gtk-call-from-other-thread.patch
+# PATCH-FIX-UPSTREAM evolution-fix-javascript-code.patch bsc#1252722 mgorse@suse.com -- fix JavaScript dictionary objects creation.
+Patch1:         evolution-fix-javascript-code.patch
 
 BuildRequires:  bison
 BuildRequires:  bogofilter