diff --git a/roles/matrix-sms-bridge/defaults/main.yml b/roles/matrix-sms-bridge/defaults/main.yml
index db3373135..7f048ff36 100644
--- a/roles/matrix-sms-bridge/defaults/main.yml
+++ b/roles/matrix-sms-bridge/defaults/main.yml
@@ -107,6 +107,8 @@ matrix_sms_bridge_configuration_extension: "{{ matrix_sms_bridge_configuration_e
 matrix_sms_bridge_configuration: "{{ matrix_sms_bridge_configuration_yaml|from_yaml|combine(matrix_sms_bridge_configuration_extension, recursive=True) }}"
 
 matrix_sms_bridge_gammu_configuration: |
+  #jinja2: lstrip_blocks: "True"
+
   [gammu]
   Device = /dev/ttyModem
   LogFile = {{ matrix_sms_bridge_data_log_path }}/gammu.log