diff --git a/libqt5-qt3d.changes b/libqt5-qt3d.changes
index 6023be4..8f05cf5 100644
--- a/libqt5-qt3d.changes
+++ b/libqt5-qt3d.changes
@@ -1,3 +1,14 @@
+-------------------------------------------------------------------
+Fri Jul 12 13:21:22 UTC 2019 - Fabian Vogt <fabian@ritter-vogt.de>
+
+- Drop lto-workaround.patch in favor of just disabling LTO
+
+-------------------------------------------------------------------
+Fri Jul 12 11:42:02 UTC 2019 - Fabian Vogt <fabian@ritter-vogt.de>
+
+- Add patch to fix build with LTO enabled:
+  * lto-workaround.patch
+
 -------------------------------------------------------------------
 Wed Jun 19 11:18:55 UTC 2019 - fabian@ritter-vogt.de
 
diff --git a/libqt5-qt3d.spec b/libqt5-qt3d.spec
index c3f6126..7bf4262 100644
--- a/libqt5-qt3d.spec
+++ b/libqt5-qt3d.spec
@@ -56,7 +56,7 @@ Qt 3D provides functionality for near-realtime simulation
 systems with support for 2D and 3D rendering in both Qt C++ and Qt Quick applications.
 
 %prep
-%setup -q -n %{tar_version}
+%autosetup -p1 -n %{tar_version}
 
 %package -n %libname
 Summary:        Qt 5 3D Addon
@@ -413,6 +413,8 @@ the exact Qt version.
 %postun -n libQt53DQuickExtras5 -p /sbin/ldconfig
 
 %build
+# -flto breaks CONFIG += resources_big (QTBUG-73834), but resources_big is needed to prevent excessive memory use
+%define _lto_cflags %{nil}
 %if %qt5_snapshot
 #force the configure script to generate the forwarding headers (it checks whether .git directory exists)
 mkdir .git