diff --git a/compute/tensor/src/cpu/arm/convolution.cpp b/compute/tensor/src/cpu/arm/convolution.cpp
index 58755021..c35eebb0 100644
--- a/compute/tensor/src/cpu/arm/convolution.cpp
+++ b/compute/tensor/src/cpu/arm/convolution.cpp
@@ -351,7 +351,7 @@ EE convolution_infer_forward_tmp_bytes_arm(TensorDesc inputDesc,
             if (fdt == DT_I8) {
                 *bytes += ic * it * ih * iw;
             }
-            if ((odt == DT_I8) || (odt == DT_F32)) {
+            if (odt != DT_I32) {
                 // scaled bias + results before quantization
                 *bytes += (oc + on * oc * ot * oh * ow) * bytesOf(DT_I32);
             }
diff --git a/model_tools/include/OPOptimizers/QuantizationOptimizer.hpp b/model_tools/include/OPOptimizers/QuantizationOptimizer.hpp
index c032a210..8fbf728d 100644
--- a/model_tools/include/OPOptimizers/QuantizationOptimizer.hpp
+++ b/model_tools/include/OPOptimizers/QuantizationOptimizer.hpp
@@ -219,7 +219,7 @@ class QuantizationOptimizer : public OPOptimizer {
 
     bool isNotNaiveRelu(OperatorSpec *op)
     {
-        return ((op->type == OT_Relu) && (op->ps.relu_spec.neg_slope != 0));
+        return ((op->type == OT_Relu && op->ps.relu_spec.neg_slope != 0) || op->type == OT_Relu6);
     }
 
     bool isAvgPooling(OperatorSpec *op)