diff --git a/contriborbase b/contriborbase
deleted file mode 100644
index ef36a67..0000000
--- a/contriborbase
+++ /dev/null
@@ -1 +0,0 @@
-sme10
diff --git a/root/etc/e-smith/templates/etc/dnf/dnf.conf/10main_deltarpm b/root/etc/e-smith/templates/etc/dnf/dnf.conf/10main_deltarpm
index 6898de9..2e5994c 100644
--- a/root/etc/e-smith/templates/etc/dnf/dnf.conf/10main_deltarpm
+++ b/root/etc/e-smith/templates/etc/dnf/dnf.conf/10main_deltarpm
@@ -1,6 +1,6 @@
 {
 my $deltaRpm = $dnf{DeltaRpmProcess} || 'disabled';
 $deltaRpm = '0' if ($deltaRpm eq 'disabled');
-$deltaRpm = '2' if ($deltaRpm eq 'enabled');
+$deltaRpm = '1' if ($deltaRpm eq 'enabled');
 $OUT .= "deltarpm=$deltaRpm";
 }
diff --git a/smeserver-update.spec b/smeserver-update.spec
index e616611..0819915 100644
--- a/smeserver-update.spec
+++ b/smeserver-update.spec
@@ -2,7 +2,7 @@
 Summary: Koozali SME Server rpm updater
 Name: %{name}
 %define version 11.0.0
-%define release 17
+%define release 18
 Version: %{version}
 Release: %{release}%{?dist}
 License: GPL
@@ -68,6 +68,9 @@ mkdir -p root/etc/yum.smerepos.d
 
 
 %changelog
+* Sat Feb 15 2025 Jean-Philippe Pialasse <jpp@koozali.org> 11.0.0-18.sme
+- fix deltarpm is now a bolean [SME: 12755]
+
 * Sat Dec 21 2024 Jean-Philippe Pialasse <jpp@koozali.org> 11.0.0-17.sme
 - set our prefered modules on different events and dnf.service run [SME: 12618]
 - update old manager to use dnf key instead of yum for settings [SME: 12831]