diff --git a/binaries/data/mods/public/simulation/components/PopulationCapManager.js b/binaries/data/mods/public/simulation/components/PopulationCapManager.js
index aa6bebc917..5d1240ad96 100644
--- a/binaries/data/mods/public/simulation/components/PopulationCapManager.js
+++ b/binaries/data/mods/public/simulation/components/PopulationCapManager.js
@@ -1,9 +1,9 @@
-const CAPTYPE_PLAYER_POPULATION = "player";
-const CAPTYPE_TEAM_POPULATION = "team";
-const CAPTYPE_WORLD_POPULATION = "world";
-
 function PopulationCapManager() {}
 
+PopulationCapManager.prototype.CAPTYPE_PLAYER_POPULATION = "player";
+PopulationCapManager.prototype.CAPTYPE_TEAM_POPULATION = "team";
+PopulationCapManager.prototype.CAPTYPE_WORLD_POPULATION = "world";
+
 PopulationCapManager.prototype.Schema =
 	"<a:component type='system'/><empty/>";
 
@@ -17,7 +17,7 @@ PopulationCapManager.prototype.Init = function()
  */
 PopulationCapManager.prototype.SetPopulationCapType = function(type)
 {
-	if ([CAPTYPE_PLAYER_POPULATION, CAPTYPE_TEAM_POPULATION, CAPTYPE_WORLD_POPULATION].includes(type))
+	if ([this.CAPTYPE_PLAYER_POPULATION, this.CAPTYPE_TEAM_POPULATION, this.CAPTYPE_WORLD_POPULATION].includes(type))
 		this.popCapType = type;
 	else
 	{
@@ -64,15 +64,15 @@ PopulationCapManager.prototype.InitializePopCaps = function()
 {
 	switch (this.popCapType)
 	{
-	case CAPTYPE_PLAYER_POPULATION:
+	case this.CAPTYPE_PLAYER_POPULATION:
 		this.InitializePlayerPopCaps();
 		break;
 
-	case CAPTYPE_TEAM_POPULATION:
+	case this.CAPTYPE_TEAM_POPULATION:
 		this.InitializeTeamPopCaps();
 		break;
 
-	case CAPTYPE_WORLD_POPULATION:
+	case this.CAPTYPE_WORLD_POPULATION:
 		this.RedistributeWorldPopCap();
 		break;
 
@@ -151,18 +151,18 @@ PopulationCapManager.prototype.OnGlobalPlayerDefeated = function(msg)
 {
 	switch (this.popCapType)
 	{
-	case CAPTYPE_TEAM_POPULATION:
+	case this.CAPTYPE_TEAM_POPULATION:
 	{
 		const team = QueryPlayerIDInterface(msg.playerId, IID_Diplomacy).GetTeam();
-		if (team != -1)
+		if (team !== -1)
 			this.RedistributeTeamPopCap(team);
 		break;
 	}
-	case CAPTYPE_WORLD_POPULATION:
+	case this.CAPTYPE_WORLD_POPULATION:
 		this.RedistributeWorldPopCap();
 		break;
 
-	case CAPTYPE_PLAYER_POPULATION:
+	case this.CAPTYPE_PLAYER_POPULATION:
 	default: break;
 	}
 };
@@ -175,7 +175,7 @@ PopulationCapManager.prototype.OnGlobalPlayerDefeated = function(msg)
  */
 PopulationCapManager.prototype.OnTeamChanged = function(msg)
 {
-	if (this.popCapType != CAPTYPE_TEAM_POPULATION)
+	if (this.popCapType !== this.CAPTYPE_TEAM_POPULATION)
 		return;
 
 	this.RedistributeTeamPopCap(msg.oldTeam);
diff --git a/binaries/data/mods/public/simulation/components/tests/test_PopulationCapManager.js b/binaries/data/mods/public/simulation/components/tests/test_PopulationCapManager.js
index 72386d38de..8d187b7967 100644
--- a/binaries/data/mods/public/simulation/components/tests/test_PopulationCapManager.js
+++ b/binaries/data/mods/public/simulation/components/tests/test_PopulationCapManager.js
@@ -4,10 +4,6 @@ Engine.LoadComponentScript("interfaces/Diplomacy.js");
 Engine.LoadComponentScript("interfaces/PopulationCapManager.js");
 Engine.LoadComponentScript("PopulationCapManager.js");
 
-const CAPTYPE_PLAYER_POPULATION = "player";
-const CAPTYPE_TEAM_POPULATION = "team";
-const CAPTYPE_WORLD_POPULATION = "world";
-
 const DEFAULT_POPCAP = 999;
 
 const cmpPopulationCapManager = ConstructComponent(SYSTEM_ENTITY, "PopulationCapManager");
@@ -54,7 +50,7 @@ const currentPopCaps = Object.keys(playerData).fill(DEFAULT_POPCAP);
 
 AddMock(SYSTEM_ENTITY, IID_PlayerManager, {
 	"GetNonGaiaPlayers": () => { return Object.keys(playerData).slice(1); },
-	"GetActivePlayers": () => { return Object.keys(playerData.filter(player => player.state == "active")).slice(1); },
+	"GetActivePlayers": () => { return Object.keys(playerData.filter(player => player.state === "active")).slice(1); },
 	"GetPlayerByID": (id) => id
 });
 
@@ -69,10 +65,10 @@ for (const playerID in Object.keys(playerData))
 }
 
 cmpPopulationCapManager.SetPopulationCap(400);
-cmpPopulationCapManager.SetPopulationCapType(CAPTYPE_PLAYER_POPULATION);
+cmpPopulationCapManager.SetPopulationCapType(cmpPopulationCapManager.CAPTYPE_PLAYER_POPULATION);
 TS_ASSERT_UNEVAL_EQUALS(currentPopCaps, [DEFAULT_POPCAP, 400, 400, 400, 400, 400, 400, 400, 400]);
 
-cmpPopulationCapManager.SetPopulationCapType(CAPTYPE_TEAM_POPULATION);
+cmpPopulationCapManager.SetPopulationCapType(cmpPopulationCapManager.CAPTYPE_TEAM_POPULATION);
 TS_ASSERT_UNEVAL_EQUALS(currentPopCaps, [DEFAULT_POPCAP, 400, 400, 400, 133, 133, 133, 200, 200]);
 
 playerData[6].team = 2;
@@ -84,7 +80,7 @@ currentPopCaps.pop();
 cmpPopulationCapManager.OnGlobalPlayerDefeated({ "playerId": 8 });
 TS_ASSERT_UNEVAL_EQUALS(currentPopCaps, [DEFAULT_POPCAP, 400, 400, 400, 200, 200, 200, 200]);
 
-cmpPopulationCapManager.SetPopulationCapType(CAPTYPE_WORLD_POPULATION);
+cmpPopulationCapManager.SetPopulationCapType(cmpPopulationCapManager.CAPTYPE_WORLD_POPULATION);
 TS_ASSERT_UNEVAL_EQUALS(currentPopCaps, [DEFAULT_POPCAP, 57, 57, 57, 57, 57, 57, 57]);
 
 playerData[7].state = "defeated";