diff --git a/micrograd/nn.py b/micrograd/nn.py
index 30d5d777..36bc5c48 100644
--- a/micrograd/nn.py
+++ b/micrograd/nn.py
@@ -18,6 +18,7 @@ def __init__(self, nin, nonlin=True):
         self.nonlin = nonlin
 
     def __call__(self, x):
+        x = [x] if isinstance(x, Value) else x
         act = sum((wi*xi for wi,xi in zip(self.w, x)), self.b)
         return act.relu() if self.nonlin else act