diff --git a/projects/main/src/taoensso/telemere/impl.cljc b/projects/main/src/taoensso/telemere/impl.cljc
index 0382e49..758b4c7 100644
--- a/projects/main/src/taoensso/telemere/impl.cljc
+++ b/projects/main/src/taoensso/telemere/impl.cljc
@@ -568,8 +568,10 @@
            show-run-form
            (when run-form
              (get opts :run-form
-               (if (and (> (count      run-form)  1)
-                        (> (count (str run-form)) 32))
+               (if (and
+                     (enc/list-form? run-form)
+                     (> (count       run-form)  1)
+                     (> (count (str  run-form)) 32))
                  (list (first run-form) '...)
                  (do          run-form))))
 
diff --git a/projects/main/test/taoensso/telemere_tests.cljc b/projects/main/test/taoensso/telemere_tests.cljc
index 658f6bc..a8a63df 100644
--- a/projects/main/test/taoensso/telemere_tests.cljc
+++ b/projects/main/test/taoensso/telemere_tests.cljc
@@ -626,7 +626,13 @@
             (with-sigs (tel/trace! {:id :id1, :catch->error :id2} (ex1!)))]
         [(is (sm? sv1 {:kind :trace, :line :submap/some, :level :info,  :id :id1}))
          (is (sm? sv2 {:kind :error, :line :submap/some, :level :error, :id :id2}))
-         (is (= (:location sv1) (:location sv2)) "Error inherits exact same location")])])
+         (is (= (:location sv1) (:location sv2)) "Error inherits exact same location")])
+
+      (testing  ":run-form"
+        [(is (= (:run-form (with-sig (tel/trace! :non-list)))    :non-list))
+         (is (= (:run-form (with-sig (tel/trace! (+ 1 2 3 4))))  '(+ 1 2 3 4)))
+         (is (= (:run-form (with-sig (tel/trace! (+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16)))) '(+ ...)))
+         (is (= (:run-form (with-sig (tel/trace! {:run-form 'my-run-form} (+ 1 2 3 4))))       'my-run-form))])])
 
    (testing "spy" ; run + ?level => run result (value or throw)
      [(let [[[rv]   [sv]] (with-sigs (tel/spy!                (+ 1 2)))] [(is (= rv 3))  (is (sm?  sv {:kind :spy, :line :submap/some, :level :info, :msg_ "(+ 1 2) => 3"}))])