diff --git a/externs/web3-externs.js b/externs/web3-externs.js
new file mode 100644
index 0000000..4600afa
--- /dev/null
+++ b/externs/web3-externs.js
@@ -0,0 +1,12 @@
+
+/*
+externs for web3 injected into js context. needed for things to work with advanced cljs compilation
+
+TODO: probably not a good idea to maintain this manually in the long run*/
+
+var web3 = {
+    eth: {
+        accounts: [],
+        sendTransaction: function() {}
+    }
+};
diff --git a/project.clj b/project.clj
index 82960ae..4fa828d 100644
--- a/project.clj
+++ b/project.clj
@@ -9,7 +9,7 @@
                  [secretary "1.2.3"]
                  [reagent-utils "0.2.0"]
                  [reagent "0.6.0"]
-                 [org.clojure/clojurescript "1.9.456" :scope "provided"]
+                 [org.clojure/clojurescript "1.9.473"]
                  [org.clojure/clojure "1.8.0"]
                  [selmer "1.10.5"]
                  [markdown-clj "0.9.93"]
@@ -84,12 +84,13 @@
                      {:source-paths ["src/cljc" "src/cljs" "env/prod/cljs"]
                       :compiler
                       {:output-to     "target/cljsbuild/public/js/app.js"
-                       :externs       ["react/externs/react.js"]
+                       :externs       ["externs/web3-externs.js"]
                        :optimizations :advanced
                        :pretty-print  false
                        :closure-defines {goog.DEBUG false}
                        :closure-warnings
-                       {:externs-validation :off :non-standard-jsdoc :off}}}}}
+                       {:externs-validation :off
+                        :non-standard-jsdoc :off}}}}}
 
 
                    :aot            :all
diff --git a/src/cljs/commiteth/update_address.cljs b/src/cljs/commiteth/update_address.cljs
index a6183ad..14e5a47 100644
--- a/src/cljs/commiteth/update_address.cljs
+++ b/src/cljs/commiteth/update_address.cljs
@@ -8,35 +8,35 @@
 (defn update-address-page []
   (let [user (rf/subscribe [:user])
         updating-address (rf/subscribe [:get-in [:updating-address]])
-        web3 (.-web3 js/window)
-        web3-accounts (into [] (when-not (nil? web3) (-> web3
-                                                         .-eth
-                                                         .-accounts
-                                                         js->clj)))
         address (r/atom @(rf/subscribe [:get-in [:user :address]]))]
     (fn []
-      (println "web3-accounts" web3-accounts)
-      [:div.ui.container.grid
-       [:div.ui.form.sixteen.wide.column
-        [:h3 "Update address"]
-        [:p "Placeholder text for explaining what an Ethereum address is."]
-        [:div.field
-         (if-not (empty? web3-accounts)
-           [dropdown {:class "address-input"} "Select address"
-            address
-            (into []
-                  (for [acc web3-accounts]
-                    acc))]
-           [:div.ui.input.address-input
-            [input address {:placeholder  "0x0000000000000000000000000000000000000000"
-                            :auto-complete "off"
-                            :auto-correct "off"
-                            :spell-check "false"
-                            :max-length 42}]])]
-        [:button.ui.button (merge {:on-click
-                                   #(rf/dispatch [:save-user-address
-                                                  (:id @user)
-                                                  @address])}
-                                  (when @updating-address
-                                    {:class "busy loading"}))
-         "Update"]]])))
+      (let [web3 (.-web3 js/window)
+            web3-accounts (into [] (when-not (nil? web3) (-> web3
+                                                         .-eth
+                                                         .-accounts
+                                                         js->clj)))]
+        (println "web3-accounts" web3-accounts)
+        [:div.ui.container.grid
+         [:div.ui.form.sixteen.wide.column
+          [:h3 "Update address"]
+          [:p "Placeholder text for explaining what an Ethereum address is."]
+          [:div.field
+           (if-not (empty? web3-accounts)
+             [dropdown {:class "address-input"} "Select address"
+              address
+              (into []
+                    (for [acc web3-accounts]
+                      acc))]
+             [:div.ui.input.address-input
+              [input address {:placeholder  "0x0000000000000000000000000000000000000000"
+                              :auto-complete "off"
+                              :auto-correct "off"
+                              :spell-check "false"
+                              :max-length 42}]])]
+          [:button.ui.button (merge {:on-click
+                                     #(rf/dispatch [:save-user-address
+                                                    (:id @user)
+                                                    @address])}
+                                    (when @updating-address
+                                      {:class "busy loading"}))
+           "Update"]]]))))