diff --git a/start.sh b/start.sh
index dd8f257ad..be1453755 100755
--- a/start.sh
+++ b/start.sh
@@ -38,7 +38,7 @@ unset HOST
 
 if ! [ -z "$(which stack)" ]
 then
-  stack --work-dir .stack-work-run exec -- yesod devel -p "$DEV_PORT_HTTP" -q "$DEV_PORT_HTTPS" $@
+  stack --jobs 4 --work-dir .stack-work-run exec -- yesod devel -p "$DEV_PORT_HTTP" -q "$DEV_PORT_HTTPS" $@
 else
   exit 1
 fi