diff --git a/src/gateware/cxp_frame_pipeline.py b/src/gateware/cxp_frame_pipeline.py
index 35efeeb..819a44c 100644
--- a/src/gateware/cxp_frame_pipeline.py
+++ b/src/gateware/cxp_frame_pipeline.py
@@ -654,6 +654,7 @@ class ROI_Pipeline(Module):
         # NOTE: TapGeo other than 1X-1Y are not supported
         # TODO: match pixel and see whether the it matches the supported ones (via csr perhaps?)
 
+        self.submodules.buffer = buffer = Buffer(word_layout_dchar) # to improve timing from broadcaster
         self.submodules.crc_checker = crc_checker = CXPCRC32_Checker()
         self.submodules.header_decoder = header_decoder = Frame_Header_Decoder()
         self.submodules.deserializer = deserializer = Frame_Deserializer(res_width, pixel_size)
@@ -664,7 +665,7 @@ class ROI_Pipeline(Module):
             deserializer.x_size.eq(header_decoder.metadata.x_size),
         ]
 
-        self.pipeline = [crc_checker, header_decoder, deserializer]
+        self.pipeline = [buffer, crc_checker, header_decoder, deserializer]
         for s, d in zip(self.pipeline, self.pipeline[1:]):
             self.comb += s.source.connect(d.sink)
         self.sink = self.pipeline[0].sink