diff --git a/apache.spec b/apache.spec
index 55ecab2..b8003f5 100644
--- a/apache.spec
+++ b/apache.spec
@@ -6,7 +6,7 @@
 
 Name:          apache
 Version:       2.4.20
-Release:       1mamba
+Release:       3mamba
 Epoch:         1
 Summary:       The Apache webserver
 Group:         System/Servers
@@ -202,6 +202,7 @@ _EOF
    --disable-example \
    --enable-distcache \
    --enable-http=yes \
+   --enable-mpms-shared=all \
    --with-z=%{_prefix} \
    --with-ssl=%{_prefix} \
    --with-pcre=%{_prefix}
@@ -301,7 +302,7 @@ if [ $1 -eq 1 ]; then
 fi
 
 if [ $1 -ge 1 ]; then
-   apxs -e -a -n slotmem_shm %{_libdir}/apache/mod_slotmem_shm.so
+   apxs -e -a -n slotmem_shm %{_libdir}/apache/mod_slotmem_shm.so 2>/dev/null
    sed -i "s|Include[[:space:]]\(/etc/httpd/httpd\.d/\*\.conf\)|IncludeOptional \1|" %{_sysconfdir}/httpd/httpd.conf
    systemd-tmpfiles --create httpd.conf
    systemctl -q daemon-reload
@@ -435,6 +436,12 @@ exit 0
 %{_libdir}/apache/mod_suexec.so
 
 %changelog
+* Sat Jun 11 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 2.4.20-3mamba
+- fix update_httpdconf.sh script for 64 bit (/usr/lib64) support
+
+* Sat May 28 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 2.4.20-2mamba
+- rebuilt with --enable-mpms-shared=all
+
 * Tue Apr 26 2016 Automatic Build System <autodist@mambasoft.it> 2.4.20-1mamba
 - automatic version update by autodist
 
diff --git a/httpd-update_httpdconf.sh b/httpd-update_httpdconf.sh
index a65bd7e..0978e15 100644
--- a/httpd-update_httpdconf.sh
+++ b/httpd-update_httpdconf.sh
@@ -1,11 +1,15 @@
 #!/bin/bash
 # update_httpdconf.sh - updates httpd.conf modules list
-# Copyright (c) 2006 by Silvan Calarco <silvan.calarco@qilinux.it>
+# Copyright (c) 2006-2016 by Silvan Calarco <silvan.calarco@qilinux.it>
 
 INPUT_CONF=/etc/httpd/httpd.conf.rpmnew
 OUTPUT_CONF=/etc/httpd/httpd.conf
 MODULES_PREFIX=/usr
-MODULES_APPEND=lib/apache
+if [ -d /usr/lib64/apache ]; then
+   MODULES_APPEND=lib64/apache
+else
+   MODULES_APPEND=lib/apache
+fi
 MODULES_PATH=$MODULES_PREFIX/$MODULES_APPEND
 cont=0