diff --git a/src/Misc/layoutroot/safe_sleep.sh b/src/Misc/layoutroot/safe_sleep.sh
index 7ba5be325..0c7d12f13 100644
--- a/src/Misc/layoutroot/safe_sleep.sh
+++ b/src/Misc/layoutroot/safe_sleep.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
 SECONDS=0
-while [[ $SECONDS != $1 ]]; do
+while [[ $SECONDS -lt $1 ]]; do
     :
 done