diff --git a/src/Db.c b/src/Db.c
index d264ea1..4128a89 100644
--- a/src/Db.c
+++ b/src/Db.c
@@ -240,7 +240,7 @@ DbDirName(Db * db, Array * args, size_t strip)
     for (i = 0; i < ArraySize(args) - strip; i++)
     {
         char *tmp;
-        char *sanitise = ArrayGet(args, i);
+        char *sanitise = StrDuplicate(ArrayGet(args, i));
         for (j = 0; j < strlen(sanitise); j++)
         {
             sanitise[j] = DbSanitiseChar(sanitise[j]);