diff --git a/dev/ofunctions.sh b/dev/ofunctions.sh
index 712b671..6360f22 100644
--- a/dev/ofunctions.sh
+++ b/dev/ofunctions.sh
@@ -155,7 +155,7 @@ function PoorMansRandomGenerator {
 #### PoorMansRandomGenerator SUBSET END ####
 
 # Initial TSTMAP value before function declaration
-TSTAMP=$(date '+%Y%m%dT%H%M%S').$(PoorMansRandomGenerator 5
+TSTAMP=$(date '+%Y%m%dT%H%M%S').$(PoorMansRandomGenerator 5)
 
 # Default alert attachment filename
 ALERT_LOG_FILE="$RUN_DIR/$PROGRAM.$SCRIPT_PID.$TSTAMP.last.log"