diff --git a/modules/radix/services/linux.scm b/modules/radix/services/linux.scm
index 1bcd236..c9496a4 100644
--- a/modules/radix/services/linux.scm
+++ b/modules/radix/services/linux.scm
@@ -65,9 +65,9 @@
    (name 'thinkfan)
    (extensions
     (list (service-extension shepherd-root-service-type
-                             thinkfan-shepherd-service))
+                             thinkfan-shepherd-service)
           (service-extension etc-service-type
-                             thinkfan-modprobe-etc-service))
+                             thinkfan-modprobe-etc-service)))
   (default-value (thinkfan-configuration))
   (description
    "Adjust fan level according to configured temperature limits.")))