diff --git a/Makefile b/Makefile
index 3bdbe72e915b8775dd7ac7d4263b7db2ffe1afcf..0fdceb18169342931cd7cf6e4535e15dca05877c 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ WEBSERVER_HOST=0.0.0.0
 
 FLAMINGO_OUTPUT=output
 FLAMINGO_ARGS=-s settings.py
-FLAMINGO_SERVER_ARGS=$(FLAMINGO_ARGS) --port=$(WEBSERVER_PORT) --host=$(WEBSERVER_HOST)
+FLAMINGO_SERVER_ARGS=$(FLAMINGO_ARGS) --port=$(WEBSERVER_PORT) --host=$(WEBSERVER_HOST) --disable-overlay
 
 
 all: server
diff --git a/downloads/hygienekonzept.pdf b/downloads/hygienekonzept.pdf
index 4b69d52f67742d839540d234ba43184058197852..dc8fef7ac3a0bc4deffb0f7e8e98b26123948cfe 100644
Binary files a/downloads/hygienekonzept.pdf and b/downloads/hygienekonzept.pdf differ