diff --git a/lib/sw_apps/zynqmp_fsbl/data/zynqmp_fsbl.mss b/lib/sw_apps/zynqmp_fsbl/data/zynqmp_fsbl.mss
index ebf150a2..12647551 100755
--- a/lib/sw_apps/zynqmp_fsbl/data/zynqmp_fsbl.mss
+++ b/lib/sw_apps/zynqmp_fsbl/data/zynqmp_fsbl.mss
@@ -41,6 +41,7 @@ END
 
 BEGIN LIBRARY
  PARAMETER LIBRARY_NAME = xilffs
+ PARAMETER READ_ONLY = true
 END
 
 BEGIN LIBRARY