diff --git a/cmake/build_mingw32.sh b/cmake/build_mingw32.sh
index 8d36c94b5..8c47a0441 100755
--- a/cmake/build_mingw32.sh
+++ b/cmake/build_mingw32.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
 # Accomodate both linux windows mingw locations
 MINGW=/mingw32
diff --git a/cmake/build_mingw64.sh b/cmake/build_mingw64.sh
index 211b629c0..9d0b1495b 100755
--- a/cmake/build_mingw64.sh
+++ b/cmake/build_mingw64.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
 # Accomodate both linux windows mingw locations
 MINGW=/mingw64