diff --git a/0001-Set-QT_AUTO_SCREEN_SCALE_FACTOR-0-for-Qt-5.14-as-wel.patch b/0001-Set-QT_AUTO_SCREEN_SCALE_FACTOR-0-for-Qt-5.14-as-wel.patch
new file mode 100644
index 0000000..0b861cb
--- /dev/null
+++ b/0001-Set-QT_AUTO_SCREEN_SCALE_FACTOR-0-for-Qt-5.14-as-wel.patch
@@ -0,0 +1,31 @@
+From 73ffadbeda0e27689c995aa1576e1f773a329cc8 Mon Sep 17 00:00:00 2001
+From: Fabian Vogt <fabian@ritter-vogt.de>
+Date: Sat, 11 Jan 2020 17:19:50 +0100
+Subject: [PATCH] Set QT_AUTO_SCREEN_SCALE_FACTOR=0 for Qt >= 5.14 as well
+
+It behaves differently than expected, so this is still needed.
+
+https://bugs.kde.org/show_bug.cgi?id=415421
+---
+ startkde/startplasma.cpp | 2 --
+ 1 file changed, 2 deletions(-)
+
+diff --git a/startkde/startplasma.cpp b/startkde/startplasma.cpp
+index ffb67ffb2..5cc9ea1b3 100644
+--- a/startkde/startplasma.cpp
++++ b/startkde/startplasma.cpp
+@@ -218,11 +218,9 @@ void runEnvironmentScripts()
+ 
+ void setupPlasmaEnvironment()
+ {
+-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
+     //Manually disable auto scaling because we are scaling above
+     //otherwise apps that manually opt in for high DPI get auto scaled by the developer AND manually scaled by us
+     qputenv("QT_AUTO_SCREEN_SCALE_FACTOR", "0");
+-#endif
+ 
+     qputenv("KDE_FULL_SESSION", "true");
+     qputenv("KDE_SESSION_VERSION", "5");
+-- 
+2.23.0
+
diff --git a/plasma5-workspace.changes b/plasma5-workspace.changes
index 5e2f58a..ba124eb 100644
--- a/plasma5-workspace.changes
+++ b/plasma5-workspace.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Jan 14 12:10:11 UTC 2020 - Fabian Vogt <fabian@ritter-vogt.de>
+
+- Add patch to fix/workaround scaling issues Qt 5.14.0 (kde#415421, boo#1160624):
+  * 0001-Set-QT_AUTO_SCREEN_SCALE_FACTOR-0-for-Qt-5.14-as-wel.patch
+
 -------------------------------------------------------------------
 Tue Jan  7 16:24:37 UTC 2020 - Fabian Vogt <fabian@ritter-vogt.de>
 
diff --git a/plasma5-workspace.spec b/plasma5-workspace.spec
index dcfc4a0..ad83c18 100644
--- a/plasma5-workspace.spec
+++ b/plasma5-workspace.spec
@@ -50,6 +50,7 @@ Patch504:       0001-Add-suffix-to-the-wayland-session-s-name.patch
 Patch506:       0001-Revert-No-icons-on-the-desktop-by-default.patch
 # PATCH-FIX-OPENSUSE
 Patch507:       lazy-sddm-theme.patch
+Patch508:       0001-Set-QT_AUTO_SCREEN_SCALE_FACTOR-0-for-Qt-5.14-as-wel.patch
 BuildRequires:  breeze5-icons
 BuildRequires:  fdupes
 BuildRequires:  kf5-filesystem