diff --git a/luci-app-mptcp/luasrc/model/cbi/mptcp.lua b/luci-app-mptcp/luasrc/model/cbi/mptcp.lua
index 7d2e8ffaf..efa878923 100644
--- a/luci-app-mptcp/luasrc/model/cbi/mptcp.lua
+++ b/luci-app-mptcp/luasrc/model/cbi/mptcp.lua
@@ -22,7 +22,7 @@ o = s:option(ListValue, "mptcp_path_manager", translate("Multipath TCP path-mana
 o:value("default", translate("default"))
 o:value("fullmesh", "fullmesh")
 --if tonumber(uname.release:sub(1,4)) <= 5.15 then
-if uname.release:sub(1,4) ~= "5.15" or uname.release:sub(1,1) ~= "6" then
+if uname.release:sub(1,4) ~= "5.15" and uname.release:sub(1,1) ~= "6" then
     o:value("ndiffports", "ndiffports")
     o:value("binder", "binder")
     if uname.release:sub(1,4) ~= "4.14" then
@@ -32,7 +32,7 @@ end
 o = s:option(ListValue, "mptcp_scheduler", translate("Multipath TCP scheduler"))
 o:value("default", translate("default"))
 -- if tonumber(uname.release:sub(1,4)) <= 5.15 then
-if uname.release:sub(1,4) ~= "5.15" or uname.release:sub(1,1) ~= "6" then
+if uname.release:sub(1,4) ~= "5.15" and uname.release:sub(1,1) ~= "6" then
     o:value("roundrobin", "round-robin")
     o:value("redundant", "redundant")
     if uname.release:sub(1,4) ~= "4.14" then
@@ -41,13 +41,13 @@ if uname.release:sub(1,4) ~= "5.15" or uname.release:sub(1,1) ~= "6" then
     end
 end
 -- if tonumber(uname.release:sub(1,4)) <= 5.15 then
-if uname.release:sub(1,4) ~= "5.15" or uname.release:sub(1,1) ~= "6" then
+if uname.release:sub(1,4) ~= "5.15" and uname.release:sub(1,1) ~= "6" then
     o = s:option(Value, "mptcp_syn_retries", translate("Multipath TCP SYN retries"))
     o.datatype = "uinteger"
     o.rmempty = false
 end
 -- if tonumber(uname.release:sub(1,4)) <= 5.15 then
-if uname.release:sub(1,4) ~= "5.15" or uname.release:sub(1,1) ~= "6" then
+if uname.release:sub(1,4) ~= "5.15" and uname.release:sub(1,1) ~= "6" then
     o = s:option(ListValue, "mptcp_version", translate("Multipath TCP version"))
     o:value(0, translate("0"))
     o:value(1, translate("1"))