diff --git a/src/finn/custom_op/fpgadataflow/streamingdatawidthconverter_batch.py b/src/finn/custom_op/fpgadataflow/streamingdatawidthconverter_batch.py
index 940b4f4ab0788acbfda54774cb549f65fe304cf9..a80d2bbefac96e8ec2a48e04179d3d285e78cef7 100644
--- a/src/finn/custom_op/fpgadataflow/streamingdatawidthconverter_batch.py
+++ b/src/finn/custom_op/fpgadataflow/streamingdatawidthconverter_batch.py
@@ -323,7 +323,9 @@ class StreamingDataWidthConverter_Batch(HLSCustomOp):
             "#pragma HLS INTERFACE ap_ctrl_none port=return"
         )
         if self.needs_lcm():
-            self.code_gen_dict["$PRAGMAS$"].append("#pragma HLS DATAFLOW")
+            self.code_gen_dict["$PRAGMAS$"].append(
+                "#pragma HLS DATAFLOW disable_start_propagation"
+            )
 
     def execute_node(self, context, graph):
         mode = self.get_nodeattr("exec_mode")