diff --git a/scripts/activate.sh b/scripts/activate.sh
index 81240cafd..95f60a33d 100755
--- a/scripts/activate.sh
+++ b/scripts/activate.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#! /usr/bin/env bash
 
 # Make sure this is sourced.
 if [[ "$0" == "${BASH_SOURCE[0]}" ]]; then
@@ -78,7 +78,6 @@ print("{}{}.{}".format(platform.python_implementation().lower(), *sys.version_in
 
 fi
 
-
 # Just a flag so that we know this was supposedly run.
 export _PYAV_ACTIVATED=1
 
diff --git a/scripts/build b/scripts/build
index 3b9346d60..4ee15d003 100755
--- a/scripts/build
+++ b/scripts/build
@@ -1,4 +1,4 @@
-#!/bin/bash
+#! /usr/bin/env bash
 
 if [[ ! "$_PYAV_ACTIVATED" ]]; then
     export here="$(cd "$(dirname "${BASH_SOURCE[0]}")"; pwd)"
diff --git a/scripts/build-deps b/scripts/build-deps
index f34ed5a5b..5f32cf140 100755
--- a/scripts/build-deps
+++ b/scripts/build-deps
@@ -1,4 +1,4 @@
-#!/bin/bash
+#! /usr/bin/env bash
 
 if [[ ! "$_PYAV_ACTIVATED" ]]; then
     export here="$(cd "$(dirname "${BASH_SOURCE[0]}")"; pwd)"
diff --git a/scripts/test b/scripts/test
index 8244778b3..e91288baf 100755
--- a/scripts/test
+++ b/scripts/test
@@ -1,4 +1,4 @@
-#!/bin/bash
+#! /usr/bin/env bash
 
 # Exit as soon as something errors.
 set -e