diff --git a/checkconnection.sh b/checkconnection.sh
index 64a0e0a..d489590 100755
--- a/checkconnection.sh
+++ b/checkconnection.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 #
 ## Variables
diff --git a/restartmodem.sh b/restartmodem.sh
index 7c9e654..7880010 100644
--- a/restartmodem.sh
+++ b/restartmodem.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 #
 ## Restarting Interface in case of faulture