diff --git a/native/candlex/src/ops.rs b/native/candlex/src/ops.rs
index a5fd4f2..0b0f72b 100644
--- a/native/candlex/src/ops.rs
+++ b/native/candlex/src/ops.rs
@@ -256,12 +256,13 @@ macro_rules! custom_unary_bool_op {
                 use candle_core::{backend::BackendStorage, DType};
 
                 let device = storage.device();
+                let dtype = storage.dtype();
                 let command_buffer = device.command_buffer()?;
                 let elem_count = layout.shape().elem_count();
                 let output_buffer = device.new_buffer(elem_count, DType::U8, stringify!($name))?;
 
                 if (layout.is_contiguous() && layout.start_offset() == 0) {
-                    let kernel_name = match storage.dtype() {
+                    let kernel_name = match dtype {
                         DType::F32 => metal_kernels::custom_unary::contiguous::$name::FLOAT,
                         DType::I64 => metal_kernels::custom_unary::contiguous::$name::I64,
                         DType::U32 => metal_kernels::custom_unary::contiguous::$name::U32,
@@ -280,7 +281,7 @@ macro_rules! custom_unary_bool_op {
                         &output_buffer,
                     ).unwrap();
                 } else {
-                    let kernel_name = match storage.dtype() {
+                    let kernel_name = match dtype {
                         DType::F32 => metal_kernels::custom_unary::strided::$name::FLOAT,
                         DType::I64 => metal_kernels::custom_unary::strided::$name::I64,
                         DType::U32 => metal_kernels::custom_unary::strided::$name::U32,