diff --git a/designs/LFR-em-WFP_MS/LFR-em.vhd b/designs/LFR-em-WFP_MS/LFR-em.vhd
--- a/designs/LFR-em-WFP_MS/LFR-em.vhd
+++ b/designs/LFR-em-WFP_MS/LFR-em.vhd
@@ -256,7 +256,7 @@ BEGIN  -- beh
       nSRAM_CE  => nSRAM_CE_s,
       nSRAM_OE  => nSRAM_OE,
       nSRAM_READY => nSRAM_READY,
-      SRAM_MBE    => '0',
+      SRAM_MBE    => OPEN,
 
       apbi_ext   => apbi_ext,
       apbo_ext   => apbo_ext,