diff --git a/global/overlay/etc/puppet/modules/soc/manifests/intelmq.pp b/global/overlay/etc/puppet/modules/soc/manifests/intelmq.pp
index 0501aba..e91d2a3 100644
--- a/global/overlay/etc/puppet/modules/soc/manifests/intelmq.pp
+++ b/global/overlay/etc/puppet/modules/soc/manifests/intelmq.pp
@@ -111,7 +111,7 @@ class soc::intelmq(
   $api_user = lookup('intelmq_api_user.username', undef, undef, 'test')
   $api_pass = lookup('intelmq_api_user.password', undef, undef, 'pass')
   exec { 'Setup intelmq-api user':
-    command => 'sudo -u intelmq /opt/intelmq/venv/bin/intelmq-api-adduser --user ${api_user} --password ${api_password}',
+    command => "sudo -u intelmq /opt/intelmq/venv/bin/intelmq-api-adduser --user ${api_user} --password ${api_password}",
     creates => '/etc/intelmq/api-session.sqlite',
   }