diff --git a/lib/nvme.pm b/lib/nvme.pm
index b0c6466..cfa337b 100644
--- a/lib/nvme.pm
+++ b/lib/nvme.pm
@@ -126,24 +126,24 @@ sub nvme_init {
 		}
 		eval {
 			RRDs::create($rrd,
-			"--step=60",
-			@tmp,
-			"RRA:AVERAGE:0.5:1:1440",
-			"RRA:AVERAGE:0.5:30:336",
-			"RRA:AVERAGE:0.5:60:744",
-			@average,
-			"RRA:MIN:0.5:1:1440",
-			"RRA:MIN:0.5:30:336",
-			"RRA:MIN:0.5:60:744",
-			@min,
-			"RRA:MAX:0.5:1:1440",
-			"RRA:MAX:0.5:30:336",
-			"RRA:MAX:0.5:60:744",
-			@max,
-			"RRA:LAST:0.5:1:1440",
-			"RRA:LAST:0.5:30:336",
-			"RRA:LAST:0.5:60:744",
-			@last,
+				"--step=60",
+				@tmp,
+				"RRA:AVERAGE:0.5:1:1440",
+				"RRA:AVERAGE:0.5:30:336",
+				"RRA:AVERAGE:0.5:60:744",
+				@average,
+				"RRA:MIN:0.5:1:1440",
+				"RRA:MIN:0.5:30:336",
+				"RRA:MIN:0.5:60:744",
+				@min,
+				"RRA:MAX:0.5:1:1440",
+				"RRA:MAX:0.5:30:336",
+				"RRA:MAX:0.5:60:744",
+				@max,
+				"RRA:LAST:0.5:1:1440",
+				"RRA:LAST:0.5:30:336",
+				"RRA:LAST:0.5:60:744",
+				@last,
 			);
 		};
 		my $err = RRDs::error;