diff --git a/Dockerfile b/Dockerfile
index 475edce..0ee0e75 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -31,7 +31,7 @@ RUN apt-get update \
     && apt-get install -yqq build-essential libnspr4-dev libncurses5-dev libncursesw5-dev cvs wget pkgconf libcap2-bin sudo \
     && mkdir /opt/sbbs && cd /tmp \
     && wget http://cvs.synchro.net/cgi-bin/viewcvs.cgi/*checkout*/install/GNUmakefile \
-    && make RELEASE=1 USE_DOSEMU=1 NO_X=1 DEBUG=1 SBBSDIR=/opt/sbbs install \
+    && make USE_DOSEMU=1 NO_X=1 DEBUG=1 SBBSDIR=/opt/sbbs install \
     && rm -rf /opt/sbbs/3rdp /opt/sbbs/src \
     && mv /opt/sbbs/ctrl /opt/sbbs/ctrl.orig \
     && mv /opt/sbbs/text /opt/sbbs/text.orig \