diff --git a/tinygrad/llops/ops_gpu.py b/tinygrad/llops/ops_gpu.py
index 1259552c4b..ea463478b7 100644
--- a/tinygrad/llops/ops_gpu.py
+++ b/tinygrad/llops/ops_gpu.py
@@ -12,10 +12,10 @@ class CL:
   CACHE = None
   def __init__(self):
     if getattr(CL, "cl_queue", None) is not None: return
-    devices = cl.get_platforms()[0].get_devices(device_type=cl.device_type.GPU)
+    devices = sum([x.get_devices(device_type=cl.device_type.GPU) for x in cl.get_platforms()], [])
     if len(devices) == 0:  # settle for CPU
-      devices = cl.get_platforms()[0].get_devices(device_type=cl.device_type.CPU)
-    CL.cl_ctx = cl.Context(devices=devices)
+      devices = sum([x.get_devices(device_type=cl.device_type.CPU) for x in cl.get_platforms()], [])
+    CL.cl_ctx = cl.Context(devices=[devices[int(os.getenv("CL_DEVICE", "0"))]])
     CL.cl_queue = cl.CommandQueue(self.cl_ctx)  # this is an in-order command queue
 
   @staticmethod