diff --git a/spec/System/TestRadiusJewels_spec.lua b/spec/System/TestRadiusJewels_spec.lua
new file mode 100644
index 000000000..312c7ed77
--- /dev/null
+++ b/spec/System/TestRadiusJewels_spec.lua
@@ -0,0 +1,72 @@
+describe("TestRadiusJewels", function()
+	before_each(function()
+		newBuild()
+	end)
+
+	it("copies cached Time-Lost radius mods before adding weapon set conditions", function()
+		GlobalCache.cachedData.MAIN.radiusJewelData = nil
+
+		local function addTimeLostMana(node, modList)
+			if node.type == "Normal" then
+				modList:NewMod("Mana", "INC", 1, "Tree:500")
+			end
+		end
+
+		local env = {
+			mode = "MAIN",
+			radiusJewelList = {
+				{
+					type = "Other",
+					nodeId = 500,
+					jewelHash = "time-lost-mana",
+					item = { baseName = "Time-Lost Diamond" },
+					nodes = {
+						[100] = { type = "Normal" },
+						[101] = { type = "Normal" },
+					},
+					func = addTimeLostMana,
+					data = { },
+				},
+			},
+			allocNodes = {
+				[100] = true,
+				[101] = true,
+			},
+			build = {
+				spec = {
+					nodes = {
+						[500] = { allocMode = 0 },
+					},
+				},
+				itemsTab = {
+					activeItemSet = {
+						useSecondWeaponSet = false,
+					},
+				},
+			},
+			explodeSources = { },
+		}
+		local weaponSetNode = {
+			id = 100,
+			type = "Normal",
+			allocMode = 2,
+			modList = new("ModList"),
+		}
+		local globalNode = {
+			id = 101,
+			type = "Normal",
+			allocMode = 0,
+			modList = new("ModList"),
+		}
+
+		local weaponSetModList = build.calcsTab.calcs.buildModListForNode(env, weaponSetNode, 0)
+		assert.is_not_nil(weaponSetModList[1][1])
+		assert.equals("WeaponSet2", weaponSetModList[1][1].var)
+
+		local globalModList = build.calcsTab.calcs.buildModListForNode(env, globalNode, 0)
+		assert.is_nil(globalModList[1][1])
+
+		assert.is_not_nil(weaponSetModList[1][1])
+		assert.equals("WeaponSet2", weaponSetModList[1][1].var)
+	end)
+end)
diff --git a/src/Modules/CalcSetup.lua b/src/Modules/CalcSetup.lua
index 5e24c1339..a6a4e5714 100644
--- a/src/Modules/CalcSetup.lua
+++ b/src/Modules/CalcSetup.lua
@@ -117,6 +117,12 @@ local function refreshJewelStatCache(env)
 	end
 end
 
+local function addCopiedModList(modList, cachedList)
+	for i = 1, #cachedList do
+		modList:AddMod(copyTable(cachedList[i], true))
+	end
+end
+
 function calcs.buildModListForNode(env, node, incSmallPassiveSkill, includeKeystoneMods)
 	local localSmallIncEffect = 0
 	local localNotableIncEffect = 0
@@ -144,11 +150,12 @@ function calcs.buildModListForNode(env, node, incSmallPassiveSkill, includeKeyst
 				local cache = GlobalCache.cachedData[env.mode].radiusJewelData[rad.nodeId]
 				if not cache or (cache.hash ~= rad.jewelHash) then
 					refreshJewelStatCache(env)
+					cache = GlobalCache.cachedData[env.mode].radiusJewelData[rad.nodeId]
 				end
 				if node.type == "Normal" and cache and #cache.smallModList > 0 then
-					modList:AddList(cache.smallModList)
+					addCopiedModList(modList, cache.smallModList)
 				elseif node.type == "Notable" and cache and #cache.notableModList > 0 then
-					modList:AddList(cache.notableModList)
+					addCopiedModList(modList, cache.notableModList)
 				end
 				break
 			end