diff --git a/get-prebuilts b/get-prebuilts
index d18730b1..df87fa6b 100755
--- a/get-prebuilts
+++ b/get-prebuilts
@@ -1,12 +1,13 @@
 #!/bin/sh
+set -e
 
 BASEDIR=$( dirname $0 )
 
 mkdir -p $BASEDIR/prebuilt/common/apps/
 
 # F-Droid
-curl -L -o $BASEDIR/prebuilt/common/apps/FDroid.apk -O -L http://f-droid.org/FDroid.apk
+curl -L -o $BASEDIR/prebuilt/common/apps/FDroid.apk -O -L https://f-droid.org/FDroid.apk
 
 # Terminal Emulator
-curl -L -o $BASEDIR/prebuilt/common/apps/TerminalEmulator.apk -O -L http://f-droid.org/repo/jackpal.androidterm_71.apk
+curl -L -o $BASEDIR/prebuilt/common/apps/TerminalEmulator.apk -O -L https://f-droid.org/repo/jackpal.androidterm_71.apk
 unzip -o -d $BASEDIR/prebuilt/common/apps/ $BASEDIR/prebuilt/common/apps/TerminalEmulator.apk lib/armeabi/libjackpal-termexec2.so lib/armeabi/libjackpal-androidterm5.so