diff --git a/tailprofiler.sh b/tailprofiler.sh
index 844fa3f1..c76ebe3e 100755
--- a/tailprofiler.sh
+++ b/tailprofiler.sh
@@ -1 +1,2 @@
+#!/bin/sh
 tail -f profiler.log
diff --git a/tailserial.sh b/tailserial.sh
index 0a71f2e4..55bb40cb 100755
--- a/tailserial.sh
+++ b/tailserial.sh
@@ -1 +1,2 @@
+#!/bin/sh
 tail -f serial.log