diff --git a/devices/common_patches/sai/sai_v1.yaml b/devices/common_patches/sai/sai_v1.yaml
index 02a97ac59..65fd6ee01 100644
--- a/devices/common_patches/sai/sai_v1.yaml
+++ b/devices/common_patches/sai/sai_v1.yaml
@@ -34,7 +34,7 @@
           FSALL:
             access: read-write
           FSDEF:
-            access: read-only
+            access: read-write
           FSPOL:
             access: read-write
           FSOFF:
diff --git a/devices/common_patches/sai/sai_v2.yaml b/devices/common_patches/sai/sai_v2.yaml
index 88ac64632..efc5d6d3a 100644
--- a/devices/common_patches/sai/sai_v2.yaml
+++ b/devices/common_patches/sai/sai_v2.yaml
@@ -38,7 +38,7 @@
           FSALL:
             access: read-write
           FSDEF:
-            access: read-only
+            access: read-write
           FSPOL:
             access: read-write
           FSOFF: