1 files changed, 3 insertions, 0 deletions
diff --git a/debian/build_virtualenv b/debian/build_virtualenv
index 2791896052..d892fd5c9d 100755
--- a/debian/build_virtualenv
+++ b/debian/build_virtualenv
@@ -85,6 +85,9 @@ PYTHONPATH="$tmpdir" \
 
 ' > "${PACKAGE_BUILD_DIR}/etc/matrix-synapse/homeserver.yaml"
 
+# build the log config file
+"${TARGET_PYTHON}" -B "${VIRTUALENV_DIR}/bin/generate_log_config" \
+        --output-file="${PACKAGE_BUILD_DIR}/etc/matrix-synapse/log.yaml"
 
 # add a dependency on the right version of python to substvars.
 PYPKG=`basename $SNAKE`