diff --git a/kernel.spec b/kernel.spec
index dedaa60..e714e00 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -11,7 +11,7 @@
 %define sublevel	6
 
 # Release number. Increase this before a rebuild.
-%define rpmrel		4
+%define rpmrel		5
 %define fullrpmrel	%{rpmrel}
 
 %define rpmtag		%{disttag}
@@ -808,13 +808,18 @@ sed -i	's/CONFIG_STACKPROTECTOR=y/# CONFIG_STACKPROTECTOR is not set/' .config
 sed -i	's/CONFIG_STACKPROTECTOR_STRONG=y/# CONFIG_STACKPROTECTOR_STRONG is not set/' .config
 %endif
 
-# Enable debug info if requested.
-%if %build_debug
-sed -i	's/# CONFIG_DEBUG_INFO is not set/CONFIG_DEBUG_INFO=y\nCONFIG_DEBUG_INFO_DWARF4=y\nCONFIG_GDB_SCRIPTS=y/' .config
-%endif
-
 touch %{build_dir}/.config.append
 
+# Enable debug info if requested.
+sed -i '/CONFIG_DEBUG_INFO/d' .config
+%if %build_debug
+echo 'CONFIG_DEBUG_INFO=y' >> %{build_dir}/.config.append
+echo 'CONFIG_DEBUG_INFO_DWARF4=y' >> %{build_dir}/.config.append
+echo 'CONFIG_GDB_SCRIPTS=y' >> %{build_dir}/.config.append
+%else
+echo 'CONFIG_DEBUG_INFO=n' >> %{build_dir}/.config.append
+%endif
+
 %if %{enhanced_security}
 ### SELinux enablement
 # seems to be needed to boot system in enforcing selinux mode