diff --git a/0001-Fix-JavaScript-code-for-WebKitGTK-2.49.4.patch b/0001-Fix-JavaScript-code-for-WebKitGTK-2.49.4.patch
new file mode 100644
index 0000000..b530d62
--- /dev/null
+++ b/0001-Fix-JavaScript-code-for-WebKitGTK-2.49.4.patch
@@ -0,0 +1,95 @@
+From 811a6df1f990855e49ecc0ba7b1a7f7a5ec251e6 Mon Sep 17 00:00:00 2001
+Date: Fri, 29 Aug 2025 07:42:10 +0200
+Subject: 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
+
+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;
+ 
+diff --git a/src/e-util/test-web-view-jsc.c b/src/e-util/test-web-view-jsc.c
+index e765161925..7a877b62e7 100644
+--- a/src/e-util/test-web-view-jsc.c
++++ b/src/e-util/test-web-view-jsc.c
+@@ -531,7 +531,7 @@ test_jsc_object_properties (TestFixture *fixture)
+ 	str = e_web_view_jsc_printf_script (
+ 		"test_obj_props = function()\n"
+ 		"{\n"
+-		"	var arrobj = [];\n"
++		"	var arrobj = {};\n"
+ 		"	arrobj[\"btrue\"] = true;\n"
+ 		"	arrobj[\"bfalse\"] = false;\n"
+ 		"	arrobj[\"i2\"] = 2;\n"
diff --git a/evolution.spec b/evolution.spec
index d195c3f..95ba095 100644
--- a/evolution.spec
+++ b/evolution.spec
@@ -44,7 +44,7 @@
 
 Name: evolution
 Version: 3.56.2
-Release: 1%{?dist}
+Release: 2%{?dist}
 Summary: Mail and calendar client for GNOME
 License: GPL-2.0-or-later AND GFDL-1.3-or-later
 URL: https://gitlab.gnome.org/GNOME/evolution/-/wikis/home
@@ -54,6 +54,9 @@ Source2: flatpak-evolution-wrapper.sh.in
 
 # 0-99: General patches
 
+# https://gitlab.gnome.org/GNOME/evolution/-/issues/3124
+Patch01: 0001-Fix-JavaScript-code-for-WebKitGTK-2.49.4.patch
+
 # 100-199: Flatpak-specific patches
 # https://gitlab.gnome.org/GNOME/evolution-data-server/-/merge_requests/144
 Patch100: configurable-dbus-prefix.patch
@@ -593,6 +596,9 @@ grep -v "%{_datadir}/locale" evolution.lang > help.lang
 %endif
 
 %changelog
+* Fri Aug 29 2025 Milan Crha <mcrha@redhat.com> - 3.56.2-2
+- Add patch to fix JavaScript dictionary objects creation
+
 * Fri May 23 2025 Milan Crha <mcrha@redhat.com> - 3.56.2-1
 - Update to 3.56.2