diff --git a/webkit-process.patch b/webkit-process.patch
new file mode 100644
index 0000000..5614e92
--- /dev/null
+++ b/webkit-process.patch
@@ -0,0 +1,29 @@
+From: Mike Gorse <mgorse@suse.com>
+Date: Thu 19 Dec 2019 10:33:14 AM EST
+Subject: [patch] Use single web process for evolution and geary.
+
+https://mail.gnome.org/archives/distributor-list/2019-October/msg00000.html
+
+Index: webkitgtk/Source/WebKit/UIProcess/API/glib/WebKitWebContext.cpp
+===================================================================
+--- webkitgtk.orig/Source/WebKit/UIProcess/API/glib/WebKitWebContext.cpp
++++ webkitgtk/Source/WebKit/UIProcess/API/glib/WebKitWebContext.cpp
+@@ -348,8 +348,16 @@ ALLOW_DEPRECATED_DECLARATIONS_END
+         configuration.setLocalStorageDirectory(FileSystem::stringFromFileSystemRepresentation(priv->localStorageDirectory.data()));
+ 
+     const char* useSingleWebProcess = getenv("WEBKIT_USE_SINGLE_WEB_PROCESS");
+-    if (useSingleWebProcess && strcmp(useSingleWebProcess, "0"))
+-        configuration.setUsesSingleWebProcess(true);
++    if (useSingleWebProcess) {
++        if (strcmp(useSingleWebProcess, "0")) {
++            configuration.setUsesSingleWebProcess(true);
++        }
++    } else {
++        const char* prgname = g_get_prgname();
++        if (!g_strcmp0(prgname, "evolution") || !g_strcmp0(prgname, "geary")) {
++            configuration.setUsesSingleWebProcess(true);
++        }
++    }
+     priv->processPool = WebProcessPool::create(configuration);
+ 
+     if (!priv->websiteDataManager)
diff --git a/webkit2gtk3.changes b/webkit2gtk3.changes
index 7f91993..0a36249 100644
--- a/webkit2gtk3.changes
+++ b/webkit2gtk3.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Dec 19 15:36:37 UTC 2019 - Michael Gorse <mgorse@suse.com>
+
+- Add webkit-process.patch: use single web process for evolution
+  and geary on 15.0 (boo#1159329 glgo#GNOME/evolution#587).
+
 -------------------------------------------------------------------
 Mon Nov 11 22:31:54 UTC 2019 - Michael Gorse <mgorse@suse.com>
 
diff --git a/webkit2gtk3.spec b/webkit2gtk3.spec
index b128f7d..aeeb35b 100644
--- a/webkit2gtk3.spec
+++ b/webkit2gtk3.spec
@@ -45,6 +45,8 @@ Source99:       webkit2gtk3.keyring
 Patch0:         webkit2gtk3-fdo-soname.patch
 # PATCh-FIX-UPSTREAM webkit2gtk3-icu-build-fix.patch mgorse@suse.com -- fix build with icu 65.1.
 Patch1:         webkit2gtk3-icu-build-fix.patch
+# PATCH-FIX-OPENSUSE webkit-process.patch boo#1159329 mgorse@suse.com -- use single web process for evolution and geary.
+Patch2:         webkit-process.patch
 
 BuildRequires:  Mesa-libEGL-devel
 BuildRequires:  Mesa-libGL-devel
@@ -270,7 +272,12 @@ A small test browswer from webkit, useful for testing features.
 %lang_package -n %{_pkgname_no_slpp}
 
 %prep
-%autosetup -p1 -n webkitgtk-%{version}
+%setup -n webkitgtk-%{version}
+%patch0 -p1
+%patch1 -p1
+%if 0%{?suse_version} <= 1500
+%patch2 -p1
+%endif
 
 %build
 %define _lto_cflags %{nil}