diff --git a/UpgradeZipper.sh b/UpgradeZipper.sh
index a05e717..53d7bb2 100644
--- a/UpgradeZipper.sh
+++ b/UpgradeZipper.sh
@@ -1,3 +1,4 @@
+#! /bin/bash
 zipperParentPathName=$(dirname "$0")
 programPath=${zipperParentPathName}/TeamCode/src/main/java/org/firstinspires/ftc/teamcode
 
diff --git a/Zipper.sh b/Zipper.sh
index 8f48699..3aba1ba 100644
--- a/Zipper.sh
+++ b/Zipper.sh
@@ -1,3 +1,4 @@
+#! /bin/bash
 zipperParentPathName=$(dirname "$0")
 programPath=${zipperParentPathName}/TeamCode/src/main/java/org/firstinspires/ftc/teamcode