diff --git a/lib/fs.pm b/lib/fs.pm
index 3264816..3c50baf 100644
--- a/lib/fs.pm
+++ b/lib/fs.pm
@@ -170,7 +170,7 @@ sub fs_init {
 				};
 			}
 
-			if($config->{os} eq "Linux" && $config->{kernel} > 2.4) {
+			if($config->{os} eq "Linux" && $config->{kernel} gt "2.4") {
 				my $lvm;
 				my $lvm_disk;
 				my $is_md;
@@ -434,7 +434,7 @@ sub fs_update {
 			my $d = $fs->{devmap}->{$f};
 			if($d) {
 				if($config->{os} eq "Linux") {
-					if($config->{kernel} > 2.4) {
+					if($config->{kernel} gt "2.4") {
 						open(IN, "/proc/diskstats");
 						while(<IN>) {
 							if(/ $d /) {
@@ -931,7 +931,7 @@ sub fs_cgi {
 		undef(@tmpz);
 		undef(@CDEF);
 		if($config->{os} eq "Linux") {
-			if($config->{kernel} > 2.4) {
+			if($config->{kernel} gt "2.4") {
 	   			$graph_title = "$config->{graphs}->{_fs3}  ($tf->{nwhen}$tf->{twhen})";
 				$vlabel = "Milliseconds";
 			} else {
diff --git a/lib/net.pm b/lib/net.pm
index c08a2e8..d26de35 100644
--- a/lib/net.pm
+++ b/lib/net.pm
@@ -203,7 +203,7 @@ sub net_update {
 				while(<IN>) {
 					if(/Link/ && /$nl[$n]/) {
 						# Idrop column added in 8.0
-						if($config->{kernel} > 7.2) {
+						if($config->{kernel} gt "7.2") {
 							(undef, undef, undef, undef, $net_packs_in[$n], $net_error_in[$n], undef, $net_bytes_in[$n], $net_packs_out[$n], $net_error_out[$n], $net_bytes_out[$n]) = split(' ', $_);
 						} else {
 							(undef, undef, undef, undef, $net_packs_in[$n], $net_error_in[$n], $net_bytes_in[$n], $net_packs_out[$n], $net_error_out[$n], $net_bytes_out[$n]) = split(' ', $_);