diff --git a/bgan/bgan.py b/bgan/bgan.py
index f53167e..c891ccc 100644
--- a/bgan/bgan.py
+++ b/bgan/bgan.py
@@ -36,7 +36,7 @@ class BGAN():
         self.generator = self.build_generator()
 
         # The generator takes noise as input and generated imgs
-        z = Input(shape=(100,))
+        z = Input(shape=(self.latent_dim,))
         img = self.generator(z)
 
         # For the combined model we will only train the generator