diff --git a/statusbot/bot.py b/statusbot/bot.py
index 18a29ef..9ce75fb 100755
--- a/statusbot/bot.py
+++ b/statusbot/bot.py
@@ -276,19 +276,22 @@ class Tweet(UpdateInterface):
             self.log.exception("Failed to tweet")
 
     def alert(self, msg=None):
-        self.update('⚠️ ' + msg)
+        # warning sign
+        self.update('\u26A0\ufe0f ' + msg)
 
     def notice(self, msg=None):
-        self.update('📌 ' + msg)
+        # pushpin (notice board)
+        self.update('\U0001f4cc' + msg)
 
     def log(self, msg=None):
-        self.update('🪵 ' + msg)
+        # wood (log)
+        self.update('\U0001fab5 ' + msg)
 
     def ok(self, msg=None):
         if msg:
-            self.update('✅ ' + msg)
+            self.update('\u2705\efe0f' + msg)
         else:
-            self.update("✅ Everything back to normal")
+            self.update('\u2705\ufe0f Everything back to normal')
 
 
 class StatusPage(UpdateInterface):