diff --git a/xorg-x11-server.changes b/xorg-x11-server.changes
index e3d35d6..8c363b4 100644
--- a/xorg-x11-server.changes
+++ b/xorg-x11-server.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Feb 20 20:36:19 UTC 2024 - Stefan Dirsch <sndirsch@suse.com>
+
+- fix permissions of files in xorg-x11-server-source for tigervnc
+  build later (needed since latest autoconf)
+
 -------------------------------------------------------------------
 Thu Feb 15 17:08:16 UTC 2024 - Joan Torres <joan.torres@suse.com>
 
diff --git a/xorg-x11-server.spec b/xorg-x11-server.spec
index 0e85ec6..a4e7b8e 100644
--- a/xorg-x11-server.spec
+++ b/xorg-x11-server.spec
@@ -146,7 +146,7 @@ Requires:       libpixman-1-0 >= 0.24
 Requires:       Mesa
 %if 0%{?suse_version} >= 1315
 Requires(post): update-alternatives
-Requires(postun): update-alternatives
+Requires(postun):update-alternatives
 %endif
 Provides:       xorg-x11-server-glx
 Obsoletes:      xorg-x11-server-glx
@@ -518,6 +518,10 @@ mkdir -p %{buildroot}/usr/src/xserver
 xargs cp --parents --target-directory=%{buildroot}/usr/src/xserver < source-file-list
 # unneeded python2 script; simply remove it (boo#1179591)
 rm -f %{buildroot}/usr/src/xserver/config/fdi2iclass.py
+# fix permissions for tigervnc build later (needed since latest autoconf)
+chmod 0755 %{buildroot}/usr/src/xserver/config.guess
+chmod 0755 %{buildroot}/usr/src/xserver/config.sub
+chmod 0755 %{buildroot}/usr/src/xserver/install-sh
 
 %post
 %tmpfiles_create xkb.conf