1 files changed, 1 insertions, 0 deletions

diff --git a/test/src/emacs-module-tests.el b/test/src/emacs-module-tests.el
index 85d63053867..162af21bbec 100644
--- a/test/src/emacs-module-tests.el
+++ b/test/src/emacs-module-tests.el
@@ -72,6 +72,7 @@ This test needs to be changed whenever the implementation
 changes."
   (let ((func (symbol-function #'mod-test-sum)))
     (should (module-function-p func))
+    (should (functionp func))
     (should (equal (type-of func) 'module-function))
     (should (string-match-p
              (rx bos "#<module function "