diff --git a/distros/ubuntu2004/rules b/distros/ubuntu2004/rules
index cfed496af..46965b494 100755
--- a/distros/ubuntu2004/rules
+++ b/distros/ubuntu2004/rules
@@ -18,6 +18,7 @@ override_dh_auto_configure:
 	dh_auto_configure -- $(ARGS)                  \
             -DCMAKE_VERBOSE_MAKEFILE=ON                \
             -DCMAKE_BUILD_TYPE=Release                 \
+						-DBUILD_MAN=0 \
             -DZM_CONFIG_DIR="/etc/zm"                  \
             -DZM_CONFIG_SUBDIR="/etc/zm/conf.d"        \
             -DZM_RUNDIR="/run/zm"                  \