diff --git a/keras/optimizers.py b/keras/optimizers.py
index 30794f612ad6..1127cdb844fa 100644
--- a/keras/optimizers.py
+++ b/keras/optimizers.py
@@ -82,7 +82,7 @@ def get_config(self):
         return {"name": self.__class__.__name__,
                 "lr": float(self.lr.get_value()),
                 "momentum": float(self.momentum.get_value()),
-                "decay": float(self.decay.get_value()),
+                "decay": float(self.decay),
                 "nesterov": self.nesterov}