diff --git a/backends/qualcomm/quantizer/custom_annotation.py b/backends/qualcomm/quantizer/custom_annotation.py
index bbb35383417..8a3ff405711 100644
--- a/backends/qualcomm/quantizer/custom_annotation.py
+++ b/backends/qualcomm/quantizer/custom_annotation.py
@@ -78,7 +78,7 @@ def annotate_single_in_single_out(
         )
 
     def annotate_matmul_input1(node: Node):
-        quantization_config_8a8w = get_default_8bit_qnn_ptq_config(
+        quantization_config_8a8w = get_8a8w_qnn_ptq_config(
             act_symmetric=True, act_observer=MinMaxObserver
         )
         while isinstance(node, Node) and node.op == "call_function":