diff --git a/contrib/testpngs/makepngs.sh b/contrib/testpngs/makepngs.sh
index 270f0630a..f0238c3b5 100755
--- a/contrib/testpngs/makepngs.sh
+++ b/contrib/testpngs/makepngs.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
 # Make a set of test PNG files, MAKEPNG is the name of the makepng executable
 # built from contrib/libtests/makepng.c
diff --git a/contrib/tools/intgamma.sh b/contrib/tools/intgamma.sh
index 3198cb241..aaed68a09 100755
--- a/contrib/tools/intgamma.sh
+++ b/contrib/tools/intgamma.sh
@@ -19,7 +19,7 @@
 
 # Function to print out a list of numbers as integers; the function truncates
 # the integers which must be one-per-line.
-function print(){
+print(){
    awk 'BEGIN{
       str = ""
    }