--- a/src/lxc/cmd/lxc-checkconfig.in
+++ b/src/lxc/cmd/lxc-checkconfig.in
@@ -7,6 +7,15 @@ export LANGUAGE=en
 # Allow environment variables to override config
 : "${CONFIG:=/proc/config.gz}"
 : "${MODNAME:=configs}"
+: ${ZGREP:=zgrep}
+: ${GUNZIP:=gunzip}
+
+if [ -z $(command -v $ZGREP) ] && ! [ -z $(command -v $GUNZIP) ] && [ -x $(command -v $GUNZIP) ] &&  [ -f $CONFIG ] && [ "$CONFIG" == "/proc/config.gz" ] ; then
+  CONFIG_NEW="/tmp/config-$(uname -r)"
+  $GUNZIP -c $CONFIG > $CONFIG_NEW
+  CONFIG=$CONFIG_NEW
+  GREP=grep
+fi
 
 GREP="grep"
 
@@ -255,7 +264,6 @@ echo
 printf "CONFIG_NETFILTER_XT_MATCH_COMMENT: " && is_enabled CONFIG_NETFILTER_XT_MATCH_COMMENT && is_probed xt_comment
 echo
 
-echo "
 printf "CONFIG_FHANDLE: " && is_enabled CONFIG_FHANDLE
 echo
 printf "CONFIG_EVENTFD: " && is_enabled CONFIG_EVENTFD
