diff --git a/.guix/modules/tiedote-md-service.scm b/.guix/modules/tiedote-md-service.scm
index 99dce0f..a1d40c5 100644
--- a/.guix/modules/tiedote-md-service.scm
+++ b/.guix/modules/tiedote-md-service.scm
@@ -71,7 +71,7 @@ the tiedote.md user on this system.")
                          (mkdir-p socket-directory)
                          (chown socket-directory uid gid)
                          (make-forkexec-constructor
-                          (list #$(file-append tiedote.md "/bin/tiedote.md")
+                          (list #$(file-append tiedote-md "/bin/tiedote.md")
                             "--address" #$email-address
                             "--sender-name" #$sender-name
                             "--sendmail" #$sendmail-path