diff --git a/busybox-static.changes b/busybox-static.changes
index bdc69f2..f24f7cd 100644
--- a/busybox-static.changes
+++ b/busybox-static.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Mar  3 13:21:03 UTC 2016 - olaf@aepfle.de
+
+- Disable build timestamp
+
 -------------------------------------------------------------------
 Sun Jan  3 12:01:09 UTC 2016 - p.drouand@gmail.com
 
diff --git a/busybox-static.spec b/busybox-static.spec
index 13f84f0..75395aa 100644
--- a/busybox-static.spec
+++ b/busybox-static.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package busybox-static
 #
-# Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -57,6 +57,7 @@ find -name .svn | xargs rm -rf
 find -name .gitignore | xargs rm -rf
 
 %build
+export KCONFIG_NOTIMESTAMP=KCONFIG_NOTIMESTAMP
 export VERBOSE=-v
 export BUILD_VERBOSE=2
 export CFLAGS="%{optflags} -fno-strict-aliasing"
diff --git a/busybox.changes b/busybox.changes
index 006e557..c5e0114 100644
--- a/busybox.changes
+++ b/busybox.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Mar  3 13:21:03 UTC 2016 - olaf@aepfle.de
+
+- Disable build timestamp
+
 -------------------------------------------------------------------
 Sun Jan  3 12:00:13 UTC 2016 - p.drouand@gmail.com
 
diff --git a/busybox.spec b/busybox.spec
index 1b205ea..44b80cc 100644
--- a/busybox.spec
+++ b/busybox.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package busybox
 #
-# Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -56,6 +56,7 @@ find -name .svn | xargs rm -rf
 find -name .gitignore | xargs rm -rf
 
 %build
+export KCONFIG_NOTIMESTAMP=KCONFIG_NOTIMESTAMP
 export VERBOSE=-v
 export BUILD_VERBOSE=2
 export CFLAGS="%{optflags} -fno-strict-aliasing"