diff --git a/util/test_multiplayer.sh b/util/test_multiplayer.sh
index ade24b648d..4ff3707e98 100755
--- a/util/test_multiplayer.sh
+++ b/util/test_multiplayer.sh
@@ -29,7 +29,7 @@ mkdir -p "$worldpath/worldmods"
 
 printf '%s\n' >"$testspath/client1.conf" \
 	video_driver=null name=client1 viewing_range=10 \
-	enable_{sound,minimap,post_processing}=false
+	enable_{minimap,post_processing}=false enable_client_modding=true
 
 printf '%s\n' >"$testspath/server.conf" \
 	max_block_send_distance=1 active_block_range=1 \
@@ -44,6 +44,7 @@ echo "Starting server"
 waitfor "$worldpath/startup"
 
 echo "Starting client"
+export ALSOFT_DRIVERS=null
 "$executable" --debugger --config "$conf_client1" --go --address 127.0.0.1 2>&1 \
 	| sed -u 's/^/(client) /' | tee -a "$testspath/log.txt" &
 waitfor "$worldpath/done"