diff --git a/top/addr_table/emp_payload.xml b/top/addr_table/emp_payload.xml
index 2a086599eb825a7b7ae3a39e873fc92221f9b9b7..e15f37b249ba3eaec7c176fd846098d90a970a9e 100644
--- a/top/addr_table/emp_payload.xml
+++ b/top/addr_table/emp_payload.xml
@@ -51,6 +51,6 @@
         </node>
     </node>
 
-    <node id="mem1" address="0x1000" size="0x800" mode="incremental" fwinfo="endpoint;width=11"/>
-    <node id="mem2" address="0x2000" size="0x800" mode="incremental" fwinfo="endpoint;width=11"/>
+    <node id="mem1" address="0x1000" size="0x200" mode="incremental" fwinfo="endpoint;width=9"/>
+    <node id="mem2" address="0x2000" size="0x200" mode="incremental" fwinfo="endpoint;width=9"/>
 </node>
diff --git a/top/firmware/hdl/emp_payload.vhd b/top/firmware/hdl/emp_payload.vhd
index e6072c24e6beaa0feb26988e4c98cf35183c3356..27adb74655695d10c7980170802bc8a22c919a51 100644
--- a/top/firmware/hdl/emp_payload.vhd
+++ b/top/firmware/hdl/emp_payload.vhd
@@ -302,7 +302,7 @@ HistogramInstance0: entity work.IPBusHistogram
 generic map(
     input_width       => input_width,
     bin_width         => bin_width,
-    data_offset       => 5 -- 7 for converted stubs
+    data_offset       => 6 -- 7 for converted stubs
 )
 port map(
     --- Input Ports ---
@@ -325,7 +325,7 @@ HistogramInstance1: entity work.IPBusHistogram
 generic map(
     input_width       => input_width,
     bin_width         => bin_width,
-    data_offset       => 5
+    data_offset       => 6
 )
 port map(
     --- Input Ports ---