diff --git a/lib/outputlib.php b/lib/outputlib.php
index 8246b2c5fd8..4989aa30f36 100644
--- a/lib/outputlib.php
+++ b/lib/outputlib.php
@@ -483,7 +483,10 @@ class theme_config {
                 $this->rarrow = '▶';
                 $this->larrow = '◀';
             }
-            elseif (false !== strpos($uagent, 'Konqueror')) {
+            elseif ((false !== strpos($uagent, 'Konqueror')) 
+                || (false !== strpos($uagent, 'Android')))  {
+                // The fonts on Android don't include the characters required for this to work as expected.
+                // So we use the same ones Konqueror uses.
                 $this->rarrow = '→';
                 $this->larrow = '←';
             }