diff --git a/arp-checkv2.sh b/arp-check
similarity index 98%
rename from arp-checkv2.sh
rename to arp-check
index 8f6ce16..4dca186 100755
--- a/arp-checkv2.sh
+++ b/arp-check
@@ -1,3 +1,5 @@
+#! /bin/bash
+
 TOKEN="A9jDrGFO6Ob-m88"
 IP="172.16.1.82"
 COUNT_TO_AWAY=900
diff --git a/arp-check.sh b/old-arp-check.sh
similarity index 98%
rename from arp-check.sh
rename to old-arp-check.sh
index b588181..2181caf 100755
--- a/arp-check.sh
+++ b/old-arp-check.sh
@@ -1,3 +1,5 @@
+#! /bin/bash
+
 TIME_LENGTH_TIL_AWAY=1 #660
 startedTimeout="n"
 away="n"