diff --git a/seafbackup.sh b/seafbackup.sh
index 75852ce..1c4a503 100755
--- a/seafbackup.sh
+++ b/seafbackup.sh
@@ -136,7 +136,7 @@ trapExit () {
     # note script completion with error
     printf "${err}[%s] --- %s execution was terminated via signal ---${norm}\n" \
         "$(stamp)" "$scriptName" >> "$logFile"
-    exit "$1"
+    exit 99
 }
 
 ### end of functions