diff --git a/common/src/clj/enoki/logging_macros.clj b/common/src/clj/enoki/logging_macros.clj
index a5d0e42..fa9bb04 100644
--- a/common/src/clj/enoki/logging_macros.clj
+++ b/common/src/clj/enoki/logging_macros.clj
@@ -1,4 +1,10 @@
 ;; A set of macros that defer to implementation-specific logging functions.
+;;
+;; Implementations must provide the `enoki.logging` namespace, and define a
+;; logging function within that namespace that looks like:
+;;
+;;     (fn log* [logger-name level eval-msg-fn])
+;;
 ;; Messages are not evaluated unless the message priority exceeds the relevant
 ;; logging level.
 
@@ -6,17 +12,17 @@
 
 (defmacro log
   "Delegates logging to function in implementation-defined namespace."
-  [level msg args]
-  `(enoki.logging/log* ~(str *ns*) ~level #(format (str ~msg) ~@args)))
+  [level msg]
+  `(enoki.logging/log* ~(str *ns*) ~level #(str ~msg)))
 
-(defmacro debug [msg & args]
-  `(log :debug ~msg ~args))
+(defmacro debug [msg]
+  `(log :debug ~msg))
 
-(defmacro info [msg & args]
-  `(log :info ~msg ~args))
+(defmacro info [msg]
+  `(log :info ~msg))
 
-(defmacro warn [msg & args]
-  `(log :warn ~msg ~args))
+(defmacro warn [msg]
+  `(log :warn ~msg))
 
-(defmacro error [msg & args]
-  `(log :error ~msg ~args))
+(defmacro error [msg]
+  `(log :error ~msg))
diff --git a/swing/src/enoki/graphics/java2d.clj b/swing/src/enoki/graphics/java2d.clj
index 8e82fcc..ee9bc6c 100644
--- a/swing/src/enoki/graphics/java2d.clj
+++ b/swing/src/enoki/graphics/java2d.clj
@@ -32,7 +32,7 @@
      (seesaw/pack! frame)
      (seesaw/show! frame))
     (.createBufferStrategy canvas 2)
-    (log/debug "width=%d, height=%d" (.getWidth canvas) (.getHeight canvas)))
+    (log/debug (format "width=%d, height=%d" (.getWidth canvas) (.getHeight canvas))))
 
   (display-width [_]
     (.getWidth canvas))
diff --git a/swing/src/enoki/swing.clj b/swing/src/enoki/swing.clj
index fcbb61d..467e897 100644
--- a/swing/src/enoki/swing.clj
+++ b/swing/src/enoki/swing.clj
@@ -24,7 +24,7 @@
 (defn- handle-key-event [event-type e]
   (if-let [key-name (get key-names (.getKeyCode e))]
     (kbd/enqueue-event! event-type key-name)
-    (log/debug "unprocessable key event (%s): %s" event-type e)))
+    (log/debug (format "unprocessable key event (%s): %s" event-type e))))
 
 (defn create-frame []
   (doto (seesaw/frame :resizable? false)
diff --git a/web/src/cljs/enoki/web.cljs b/web/src/cljs/enoki/web.cljs
index 91caa3c..2bdde6c 100644
--- a/web/src/cljs/enoki/web.cljs
+++ b/web/src/cljs/enoki/web.cljs
@@ -29,7 +29,7 @@
     (do
       (kbd/enqueue-event! event-type key-name)
       (.preventDefault e))
-    (log/info "unprocessable key event (%s): %s" event-type (.-keyCode e))))
+    (log/info (format "unprocessable key event (%s): %s" event-type (.-keyCode e)))))
 
 (defn capture-key-events! [element]
   (doto element