diff --git a/test/test_ocl.py b/test/test_ocl.py
index aed44f1233..728ff051a4 100644
--- a/test/test_ocl.py
+++ b/test/test_ocl.py
@@ -1,13 +1,20 @@
 import unittest
 from tinygrad import Device
 from tinygrad.helpers import CI
-from tinygrad.runtime.ops_gpu import CLDevice, CLAllocator
+from tinygrad.runtime.ops_gpu import CLDevice, CLAllocator, CLCompiler, CLProgram
 
-@unittest.skipUnless(Device.DEFAULT in ["GPU"] and not CI, "Runs only on OpenCL (GPU)")
-class TestOCLOOM(unittest.TestCase):
-  def test_opencl_oom(self):
+@unittest.skipUnless(Device.DEFAULT == "GPU", "Runs only on OpenCL (GPU)")
+class TestCLError(unittest.TestCase):
+  @unittest.skipIf(CI, "dangerous for CI, it allocates tons of memory")
+  def test_oom(self):
     with self.assertRaises(RuntimeError) as err:
       allocator = CLAllocator(CLDevice())
       for i in range(1_000_000):
         allocator.alloc(1_000_000_000)
     assert str(err.exception) == "OpenCL Error -6: CL_OUT_OF_HOST_MEMORY"
+
+  def test_invalid_kernel_name(self):
+    device = Device[Device.DEFAULT]
+    with self.assertRaises(RuntimeError) as err:
+      CLProgram(device, name="", lib=CLCompiler(device, "test").compile("__kernel void test(__global int* a) { a[0] = 1; }"))
+    assert str(err.exception) == "OpenCL Error -46: CL_INVALID_KERNEL_NAME"
diff --git a/tinygrad/runtime/ops_gpu.py b/tinygrad/runtime/ops_gpu.py
index 92747c8352..e82452f80e 100644
--- a/tinygrad/runtime/ops_gpu.py
+++ b/tinygrad/runtime/ops_gpu.py
@@ -9,7 +9,7 @@ from tinygrad.device import BufferOptions, LRUAllocator, Compiled, Compiler, Com
 # see test/external/external_osx_profiling.py to determine this ratio. it's in like GPU clocks or something
 OSX_TIMING_RATIO = (125/3) if OSX else 1.0
 
-cl_errors = {getattr(cl, k): k for k in filter(lambda e: e.startswith("CL_"), dir(cl)) if getattr(cl, k) <= 0}
+cl_errors = {attr: k for k in dir(cl) if k.startswith("CL_") and (attr:=getattr(cl, k)) <= 0}
 def check(status):
   if status != 0: raise RuntimeError(f"OpenCL Error {status}: {cl_errors.get(status, 'Unknown error')}")
 def checked(ret, status): return (check(status.value), ret)[1]