diff --git a/lib/lpp/lpp_top_lfr/lpp_lfr.vhd b/lib/lpp/lpp_top_lfr/lpp_lfr.vhd
--- a/lib/lpp/lpp_top_lfr/lpp_lfr.vhd
+++ b/lib/lpp/lpp_top_lfr/lpp_lfr.vhd
@@ -39,7 +39,7 @@ ENTITY lpp_lfr IS
 
     hindex : INTEGER := 2;
 
-    top_lfr_version : STD_LOGIC_VECTOR(31 DOWNTO 0) := (OTHERS => '0')
+    top_lfr_version : STD_LOGIC_VECTOR(23 DOWNTO 0) := (OTHERS => '0')
 
     );
   PORT (
diff --git a/lib/lpp/lpp_top_lfr/lpp_lfr_apbreg.vhd b/lib/lpp/lpp_top_lfr/lpp_lfr_apbreg.vhd
--- a/lib/lpp/lpp_top_lfr/lpp_lfr_apbreg.vhd
+++ b/lib/lpp/lpp_top_lfr/lpp_lfr_apbreg.vhd
@@ -47,7 +47,7 @@ ENTITY lpp_lfr_apbreg IS
     pmask    : INTEGER := 16#fff#;
     pirq_ms  : INTEGER := 0;
     pirq_wfp : INTEGER := 1;
-    top_lfr_version    : STD_LOGIC_VECTOR(31 DOWNTO 0));
+    top_lfr_version    : STD_LOGIC_VECTOR(23 DOWNTO 0));
   PORT (
     -- AMBA AHB system signals
     HCLK    : IN STD_ULOGIC;
@@ -386,7 +386,7 @@ BEGIN  -- beh
           WHEN "100110" => prdata(31 DOWNTO 0) <= debug_reg6(31 DOWNTO 0);
           WHEN "100111" => prdata(31 DOWNTO 0) <= debug_reg7(31 DOWNTO 0);
           ----------------------------------------------------
-          WHEN "111100" => prdata(31 DOWNTO 0) <= top_lfr_version(31 DOWNTO 0);
+          WHEN "111100" => prdata(23 DOWNTO 0) <= top_lfr_version(23 DOWNTO 0);
           WHEN OTHERS   => NULL;
         END CASE;
         IF (apbi.pwrite AND apbi.penable) = '1' THEN
diff --git a/lib/lpp/lpp_top_lfr/lpp_lfr_pkg.vhd b/lib/lpp/lpp_top_lfr/lpp_lfr_pkg.vhd
--- a/lib/lpp/lpp_top_lfr/lpp_lfr_pkg.vhd
+++ b/lib/lpp/lpp_top_lfr/lpp_lfr_pkg.vhd
@@ -85,7 +85,7 @@ PACKAGE lpp_lfr_pkg IS
       pirq_ms                : INTEGER;
       pirq_wfp               : INTEGER;
       hindex                 : INTEGER;
-      top_lfr_version        : STD_LOGIC_VECTOR(31 DOWNTO 0)
+      top_lfr_version        : STD_LOGIC_VECTOR(23 DOWNTO 0)
       );
     PORT (
       clk             : IN  STD_LOGIC;
@@ -155,7 +155,7 @@ PACKAGE lpp_lfr_pkg IS
       pmask                  : INTEGER;
       pirq_ms                : INTEGER;
       pirq_wfp               : INTEGER;
-      top_lfr_version        : STD_LOGIC_VECTOR(31 DOWNTO 0));
+      top_lfr_version        : STD_LOGIC_VECTOR(23 DOWNTO 0));
     PORT (
       HCLK                                   : IN  STD_ULOGIC;
       HRESETn                                : IN  STD_ULOGIC;