diff --git a/tools/dmsetup.c b/tools/dmsetup.c
index 4025acc37..d6d9dcfed 100644
--- a/tools/dmsetup.c
+++ b/tools/dmsetup.c
@@ -3654,11 +3654,10 @@ static int _process_switches(int *argc, char ***argv, const char *dev_dir)
 			_switches[SHOWKEYS_ARG]++;
 		if (ind == TABLE_ARG) {
 			_switches[TABLE_ARG]++;
-			if (!(_table = dm_malloc(strlen(optarg + 1)))) {
+			if (!(_table = dm_strdup(optarg))) {
 				log_error("Could not allocate memory for table string.");
 				return 0;
 			}
-			strcpy(_table, optarg);
 		}
 		if (ind == TREE_ARG)
 			_switches[TREE_ARG]++;