diff --git a/gnu/packages/messaging.scm b/gnu/packages/messaging.scm
index 4e8df544fa..2b0ffee972 100644
--- a/gnu/packages/messaging.scm
+++ b/gnu/packages/messaging.scm
@@ -518,6 +518,7 @@ end-to-end encryption support; XML console.")
     (build-system gnu-build-system)
     (arguments
      `(#:tests? #f ; no "check" target
+       #:configure-flags (list "--no-example-certs")
        #:modules ((ice-9 match)
                   (srfi srfi-1)
                   (guix build gnu-build-system)