diff --git a/tinygrad/tensor.py b/tinygrad/tensor.py
index 76956d6b8f..eaebb7bbaf 100644
--- a/tinygrad/tensor.py
+++ b/tinygrad/tensor.py
@@ -112,7 +112,7 @@ class Tensor:
 
   def cuda(self):
     if not GPU:
-      raise Exception("No GPU Support")
+      raise Exception("No GPU Support, install pyopencl")
     if not self.gpu:
       require_init_gpu()
       assert self.data.dtype == np.float32   # only float32 on GPU