diff --git a/scripts/RabbitInAHat1.5GB.sh b/scripts/RabbitInAHat1.5GB.sh
old mode 100644
new mode 100755
index a75d3e81..9fe73c87
--- a/scripts/RabbitInAHat1.5GB.sh
+++ b/scripts/RabbitInAHat1.5GB.sh
@@ -1 +1,2 @@
-java -Xmx1500m -jar RabbitInAHat.jar
+#!/bin/sh
+java -Xmx1500m -jar RabbitInAHat.jar
diff --git a/scripts/WhiteRabbit1.5GB.sh b/scripts/WhiteRabbit1.5GB.sh
old mode 100644
new mode 100755
index caccdcde..c032cbb5
--- a/scripts/WhiteRabbit1.5GB.sh
+++ b/scripts/WhiteRabbit1.5GB.sh
@@ -1 +1,2 @@
-java -Xmx1500m -jar WhiteRabbit.jar
+#!/bin/sh
+java -Xmx1500m -jar WhiteRabbit.jar