diff --git a/src/taoensso/telemere/impl.cljc b/src/taoensso/telemere/impl.cljc
index 59af48c..3f17376 100644
--- a/src/taoensso/telemere/impl.cljc
+++ b/src/taoensso/telemere/impl.cljc
@@ -39,10 +39,10 @@
           :id-filter (or id-filter (get base :id-filter))
           :min-level (or min-level (get base :min-level))}))))
 
-(let [base      (enc/get-env {:as :edn} :taoensso.telemere/rt-filters<.platform><.edn>)
-      ns-filter (enc/get-env {:as :edn} :taoensso.telemere/rt-ns-filter<.platform><.edn>)
-      id-filter (enc/get-env {:as :edn} :taoensso.telemere/rt-id-filter<.platform><.edn>)
-      min-level (enc/get-env {:as :edn} :taoensso.telemere/rt-min-level<.platform><.edn>)]
+(let [base      (enc/get-env {:as :edn}                 :taoensso.telemere/rt-filters<.platform><.edn>)
+      ns-filter (enc/get-env {:as :edn}                 :taoensso.telemere/rt-ns-filter<.platform><.edn>)
+      id-filter (enc/get-env {:as :edn}                 :taoensso.telemere/rt-id-filter<.platform><.edn>)
+      min-level (enc/get-env {:as :edn, :default :info} :taoensso.telemere/rt-min-level<.platform><.edn>)]
 
   (enc/defonce ^:dynamic *rt-sig-filter*
     "`SigFilter` used for runtime filtering, or nil."
diff --git a/test/taoensso/telemere_tests.cljc b/test/taoensso/telemere_tests.cljc
index ed4ad19..910ade3 100644
--- a/test/taoensso/telemere_tests.cljc
+++ b/test/taoensso/telemere_tests.cljc
@@ -40,14 +40,22 @@
   (def pstr?     (enc/pred string?))
   (def pnat-int? (enc/pred enc/nat-int?)))
 
-(let [sig-handlers_ (atom nil)]
+(let [rt-sig-filter_ (atom nil)
+      sig-handlers_  (atom nil)]
+
   (test/use-fixtures :once
     (enc/test-fixtures
-      {:after (fn [] (enc/set-var-root! impl/*sig-handlers* @sig-handlers_))
-       :before
+      {:before
        (fn []
-         (reset! sig-handlers_ impl/*sig-handlers*)
-         (enc/set-var-root!    impl/*sig-handlers* nil))})))
+         (reset! rt-sig-filter_ impl/*rt-sig-filter*)
+         (reset! sig-handlers_  impl/*sig-handlers*)
+         (enc/set-var-root!     impl/*sig-handlers*  nil)
+         (enc/set-var-root!     impl/*rt-sig-filter* nil))
+
+       :after
+       (fn []
+         (enc/set-var-root! impl/*rt-sig-filter* @rt-sig-filter_)
+         (enc/set-var-root! impl/*sig-handlers*  @sig-handlers_))})))
 
 ;;;;
 
@@ -586,11 +594,11 @@
 ;;;; Timbre shim
 
 (deftest _timbre-shim
-  [(is (sm? (with-sig (timbre/log :debug             "x1" nil "x2")) {:kind :log, :level :debug, :id timbre/shim-id, :msg_ "x1 nil x2", :data {:vargs ["x1" nil "x2"]}, :ns pstr?}))
+  [(is (sm? (with-sig (timbre/log :warn              "x1" nil "x2")) {:kind :log, :level :warn,  :id timbre/shim-id, :msg_ "x1 nil x2", :data {:vargs ["x1" nil "x2"]}, :ns pstr?}))
    (is (sm? (with-sig (timbre/info                   "x1" nil "x2")) {:kind :log, :level :info,  :id timbre/shim-id, :msg_ "x1 nil x2", :data {:vargs ["x1" nil "x2"]}, :ns pstr?}))
    (is (sm? (with-sig (timbre/error                  "x1" nil "x2")) {:kind :log, :level :error, :id timbre/shim-id, :msg_ "x1 nil x2", :data {:vargs ["x1" nil "x2"]}, :ns pstr?}))
 
-   (is (sm? (with-sig (timbre/logf :debug "%s %s %s" "x1" nil "x2")) {:kind :log, :level :debug, :id timbre/shim-id, :msg_ "x1 nil x2", :data {:vargs ["x1" nil "x2"]}, :ns pstr?}))
+   (is (sm? (with-sig (timbre/logf :warn  "%s %s %s" "x1" nil "x2")) {:kind :log, :level :warn,  :id timbre/shim-id, :msg_ "x1 nil x2", :data {:vargs ["x1" nil "x2"]}, :ns pstr?}))
    (is (sm? (with-sig (timbre/infof       "%s %s %s" "x1" nil "x2")) {:kind :log, :level :info,  :id timbre/shim-id, :msg_ "x1 nil x2", :data {:vargs ["x1" nil "x2"]}, :ns pstr?}))
    (is (sm? (with-sig (timbre/errorf      "%s %s %s" "x1" nil "x2")) {:kind :log, :level :error, :id timbre/shim-id, :msg_ "x1 nil x2", :data {:vargs ["x1" nil "x2"]}, :ns pstr?}))