diff --git a/lib/matplotlib/ticker.py b/lib/matplotlib/ticker.py
index 84933aeb0e35..07a693ceb966 100644
--- a/lib/matplotlib/ticker.py
+++ b/lib/matplotlib/ticker.py
@@ -1410,7 +1410,7 @@ def symbol(self):
         return symbol
 
     @symbol.setter
-    def symbol(self):
+    def symbol(self, symbol):
         self._symbol = symbol