diff --git a/prepare.sh b/prepare.sh
index fa42a09..2a88a7f 100755
--- a/prepare.sh
+++ b/prepare.sh
@@ -1,9 +1,8 @@
 #!/usr/bin/env bash
 
-git submodule init
-git submodule update
-cd tools/mmd
-make release
-cd build
-make
-cd ../..
+set +e
+
+git submodule update --init --recursive
+
+(cd tools/mmd && make release)
+(cd tools/mmd/build && make)
diff --git a/upload.sh b/upload.sh
index a3586c2..dd5a4ab 100755
--- a/upload.sh
+++ b/upload.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+set +e
+
 for cur in ./html/{*,*/*,*/*/*}; do
   if [ -f "$cur" ] && [[ ! "$cur" == *.upload-checksum ]]; then
     if [ -f "$cur.upload-checksum" ]; then