1 files changed, 3 insertions, 3 deletions

diff --git a/modules/sleep b/modules/sleep
index b8d350f7..89712cac 100755
--- a/modules/sleep
+++ b/modules/sleep
@@ -2,9 +2,9 @@
 case "$1" in
   (--help) echo "pause for NUMBER seconds" ;;
   (*)
-    if ! echo "$1" | grep -Eq '^([0-9]+(\.[0-9]*)?|[0-9]*\.[0-9]+)$' ; then
-      echo 'FAIL: $1 is not a number'
-    else
+    if echo "$1" | grep -Eq '^([0-9]+(\.[0-9]*)?|[0-9]*\.[0-9]+)$' ; then
       sleep "$1"
+    else
+      echo 'FAIL: $1 is not a number'
     fi
 esac