diff --git a/linux/base-config-debian/roles/base-config-debian-os/tasks/main.yaml b/linux/base-config-debian/roles/base-config-debian-os/tasks/main.yaml
index f5d0e6c..ebe5f6a 100644
--- a/linux/base-config-debian/roles/base-config-debian-os/tasks/main.yaml
+++ b/linux/base-config-debian/roles/base-config-debian-os/tasks/main.yaml
@@ -146,7 +146,7 @@
 #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 # Send mail to verify relay-host
 - name: sending mail to verify exim4 config works
-  command: echo "test mail verify exim4 for the host '{{ dc_other_hostnames }}'.verdnatura.es" | mailx -s "test mail verify exim4" -v informatica@verdnatura.es
+  command: "echo "test mail verify exim4 for the host '{{ dc_other_hostnames }}'.verdnatura.es" | mailx -s "test mail verify exim4" -v informatica@verdnatura.es"
 #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
 #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++