diff --git a/backends/cadence/reference/operators/dequantize_per_tensor.cpp b/backends/cadence/reference/operators/dequantize_per_tensor.cpp
index bbf427e069..f3a281ea63 100644
--- a/backends/cadence/reference/operators/dequantize_per_tensor.cpp
+++ b/backends/cadence/reference/operators/dequantize_per_tensor.cpp
@@ -42,7 +42,7 @@ void dequantize_per_tensor_out(
     impl::reference::kernels::dequantize<int32_t>(
         out_data, input_data, scale, zero_point, numel);
   } else {
-    ET_CHECK_MSG(false, "Unhandled input dtype %hhd", input.scalar_type());
+    ET_CHECK_MSG(false, "Unhandled input dtype %hhd", static_cast<int8_t>(input.scalar_type()));
   }
 }
 
diff --git a/backends/cadence/reference/operators/quantize_per_tensor.cpp b/backends/cadence/reference/operators/quantize_per_tensor.cpp
index df44171cf1..39856d7f20 100644
--- a/backends/cadence/reference/operators/quantize_per_tensor.cpp
+++ b/backends/cadence/reference/operators/quantize_per_tensor.cpp
@@ -44,7 +44,7 @@ void quantize_per_tensor_out(
     impl::reference::kernels::quantize<int32_t>(
         out_data, input_data, 1. / scale, zero_point, numel);
   } else {
-    ET_CHECK_MSG(false, "Unhandled input dtype %hhd", out.scalar_type());
+    ET_CHECK_MSG(false, "Unhandled input dtype %hhd", static_cast<int8_t>(out.scalar_type()));
   }
 }
 
diff --git a/backends/cadence/reference/operators/quantized_layer_norm.cpp b/backends/cadence/reference/operators/quantized_layer_norm.cpp
index 27b5bb7661..6b09dd9f3c 100644
--- a/backends/cadence/reference/operators/quantized_layer_norm.cpp
+++ b/backends/cadence/reference/operators/quantized_layer_norm.cpp
@@ -145,7 +145,7 @@ void quantized_layer_norm_out(
         output_zero_point,
         out);
   } else {
-    ET_CHECK_MSG(false, "Unhandled input dtype %hhd", input.scalar_type());
+    ET_CHECK_MSG(false, "Unhandled input dtype %hhd", static_cast<int8_t>(input.scalar_type()));
   }
 }
 
diff --git a/backends/cadence/reference/operators/quantized_relu_out.cpp b/backends/cadence/reference/operators/quantized_relu_out.cpp
index 460084fcfb..06f5f82247 100644
--- a/backends/cadence/reference/operators/quantized_relu_out.cpp
+++ b/backends/cadence/reference/operators/quantized_relu_out.cpp
@@ -68,7 +68,7 @@ void quantized_relu_out(
         out_shift,
         output);
   } else {
-    ET_CHECK_MSG(false, "Unhandled input dtype %hhd", input.scalar_type());
+    ET_CHECK_MSG(false, "Unhandled input dtype %hhd", static_cast<int8_t>(input.scalar_type()));
   }
 }