diff --git a/tinygrad/features/graph/metal.py b/tinygrad/features/graph/metal.py
index 600ddcb8d..b554c42ec 100644
--- a/tinygrad/features/graph/metal.py
+++ b/tinygrad/features/graph/metal.py
@@ -27,7 +27,7 @@ class MetalGraph:
     if self.icb is None: raise GraphException("create indirect command buffer failed, does your system support this?")
 
     if len(var_vals): self.int_buf = self.device.allocator.alloc(len(var_vals)*dtypes.int32.itemsize)
-    read_resources, write_resources = [self.int_buf] if len(var_vals) else [], []
+    all_resources = [self.int_buf] if len(var_vals) else []
     for j,ji in enumerate(self.jit_cache):
       prg: CompiledASTRunner = cast(CompiledASTRunner, ji.prg)
       descriptor = Metal.MTLComputePipelineDescriptor.new()
@@ -39,8 +39,7 @@ class MetalGraph:
       for i,b in enumerate(ji.rawbufs):
         if b is not None:
           icb_command.setKernelBuffer_offset_atIndex_(b._buf, 0, i)
-          if i == 0: write_resources.append(b._buf)
-          else: read_resources.append(b._buf)
+          all_resources.append(b._buf)
       var_vals_keys = list(var_vals.keys())
       for i,v in enumerate(prg.vars):
         icb_command.setKernelBuffer_offset_atIndex_(self.int_buf, var_vals_keys.index(v)*4, len(ji.rawbufs)+i)
@@ -48,14 +47,14 @@ class MetalGraph:
         global_size, local_size = prg.launch_dims(var_vals)
         icb_command.concurrentDispatchThreadgroups_threadsPerThreadgroup_(Metal.MTLSize(*global_size), Metal.MTLSize(*local_size))
       icb_command.setBarrier()
-    self.read_resources, self.write_resources = dedup(read_resources), dedup(write_resources)
+    self.all_resources = dedup(all_resources)
     self.command_buffer: Any = None
     if len(var_vals): self.int_buf_view = np.frombuffer(self.int_buf.contents().as_buffer(self.int_buf.length()), np.int32)
 
   def __call__(self, input_rawbuffers: List[Buffer], var_vals: Dict[Variable, int], wait=False, jit=False) -> Optional[float]:
     # NOTE: you at least can't update the ints if this is running
     if self.command_buffer is not None and self.command_buffer in self.device.mtl_buffers_in_flight: self.command_buffer.waitUntilCompleted()
-    all_read_resources = self.read_resources + [x._buf for x in input_rawbuffers]
+    all_resources = self.all_resources + [x._buf for x in input_rawbuffers]
     for (j,i),input_idx in self.input_replace.items():
       self.icb.indirectComputeCommandAtIndex_(j).setKernelBuffer_offset_atIndex_(input_rawbuffers[input_idx]._buf, 0, i)
     for j in self.jc_idx_with_updatable_launch_dims:
@@ -64,8 +63,7 @@ class MetalGraph:
     if len(var_vals): self.int_buf_view[:] = list(var_vals.values())
     command_buffer = self.device.mtl_queue.commandBuffer()
     encoder = command_buffer.computeCommandEncoder()
-    encoder.useResources_count_usage_(all_read_resources, len(all_read_resources), Metal.MTLResourceUsageRead)
-    encoder.useResources_count_usage_(self.write_resources, len(self.write_resources), Metal.MTLResourceUsageWrite)
+    encoder.useResources_count_usage_(all_resources, len(all_resources), Metal.MTLResourceUsageRead | Metal.MTLResourceUsageWrite)
     encoder.executeCommandsInBuffer_withRange_(self.icb, Metal.MTLIndirectCommandBufferExecutionRangeMake(0,len(self.jit_cache)))
     encoder.endEncoding()
     command_buffer.commit()