diff --git a/mxraid/mxraid_assemble b/mxraid/mxraid_assemble
index 1746d91..2092328 100755
--- a/mxraid/mxraid_assemble
+++ b/mxraid/mxraid_assemble
@@ -69,6 +69,13 @@ sub exec_version {
 }
 
 sub check_enclosures {
+
+  # Slow down if known HBAs are in use, possibly there is a lazy enclosure attached.
+  # This might be skipped if /proc/uptime is large enough?
+  if (-e '/sys/module/aacraid/version' or -e '/sys/module/smartpqi/version') {
+    usleep(0.3 * 1e6);
+  }
+
   glob('/sys/class/enclosure/*') or return;
 
   my $cnt_0 = () = (glob('/sys/block/sd[a-z]'), glob('/sys/block/sd[a-z][a-z]'));