diff -pruN 5:3.6.2-2/debian/changelog 5:3.6.2-2ubuntu1/debian/changelog
--- 5:3.6.2-2/debian/changelog	2022-12-22 16:31:38.000000000 +0000
+++ 5:3.6.2-2ubuntu1/debian/changelog	2022-12-26 13:47:18.000000000 +0000
@@ -1,3 +1,9 @@
+kstars (5:3.6.2-2ubuntu1) lunar; urgency=medium
+
+  * Disable building with LTO to fix startup segfault
+
+ -- Rik Mills <rikmills@kde.org>  Mon, 26 Dec 2022 13:47:18 +0000
+
 kstars (5:3.6.2-2) unstable; urgency=medium
 
   * Build using clang also on mips64el (see 5:3.5.5-2).
diff -pruN 5:3.6.2-2/debian/rules 5:3.6.2-2ubuntu1/debian/rules
--- 5:3.6.2-2/debian/rules	2022-12-22 16:27:46.000000000 +0000
+++ 5:3.6.2-2ubuntu1/debian/rules	2022-12-26 13:47:18.000000000 +0000
@@ -2,6 +2,8 @@
 
 include /usr/share/dpkg/architecture.mk
 
+export DEB_BUILD_MAINT_OPTIONS = optimize=-lto
+
 archs_using_clang = mips64el mipsel
 ifeq ($(DEB_HOST_ARCH),$(findstring $(DEB_HOST_ARCH), $(archs_using_clang)))
 export CC=clang