diff --git a/Dockerfile b/Dockerfile
index 237c90e..3a648b8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,7 +15,6 @@ RUN cvs -d :pserver:cvs@cvs.fefe.de:/cvs -z9 co libowfat \
 RUN git clone git://erdgeist.org/opentracker \
 		&& cd opentracker \
                 && sed -i 's/#FEATURES+=-DWANT_ACCESSLIST_WHITE/FEATURES+=-DWANT_ACCESSLIST_WHITE/' Makefile \
-		&& sed -i 's/#FEATURES+=-DWANT_V6/FEATURES+=-DWANT_V6/' Makefile \
 		&& make
 
 FROM alpine