diff --git a/ref.txt b/ref.txt
index a9735e1..bfb2326 100644
--- a/ref.txt
+++ b/ref.txt
@@ -1,3 +1,3 @@
 3ZSBW4J
 FP7CC72
-FFMYF82
+FFMYF82
\ No newline at end of file
diff --git a/script.sh b/script.sh
index 2d965d0..49010a1 100755
--- a/script.sh
+++ b/script.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-while read tmp; do
+while read tmp || [ -n "$tmp" ]; do
     node index.js $tmp
 
 done < ref.txt