diff --git a/ttfb b/ttfb
index e66be1a..92f8c8d 100755
--- a/ttfb
+++ b/ttfb
@@ -68,6 +68,7 @@ median() {
 
 DEBUG=""
 LOG=""
+NUM_REQUESTS=0
 
 while getopts ":n:dl:" OPTION
 do