Fix GRU bias initializer selection
@@ -705,7 +705,7 @@ class GRU(Recurrent):
if self.use_bias:
self.bias = self.add_weight((self.units * 3,),
name='bias',
- initializer='zero',
+ initializer=self.bias_initializer,
regularizer=self.bias_regularizer,
constraint=self.bias_constraint)
else:
