diff --git a/cfddns.sh b/cfddns.sh
index b93a884..c1b57c1 100644
--- a/cfddns.sh
+++ b/cfddns.sh
@@ -241,6 +241,7 @@ textBlockSwitches() {
 }
 
 ### default variable values
+LOG_PROGRAM_NAME="CFDDNS"
 scriptPath="$(CDPATH='' \cd -- "$(dirname -- "$0")" && pwd -P)"
 scriptName="$(basename "$0")"
 logFile="$scriptPath/${scriptName%.*}.log"