diff --git a/source/core/src/main/com/csse3200/game/components/tasks/TowerCombatTask.java b/source/core/src/main/com/csse3200/game/components/tasks/TowerCombatTask.java
index 88e2d6446..91fecc471 100644
--- a/source/core/src/main/com/csse3200/game/components/tasks/TowerCombatTask.java
+++ b/source/core/src/main/com/csse3200/game/components/tasks/TowerCombatTask.java
@@ -221,7 +221,7 @@ private boolean isTargetVisible() {
      * @param newInterval The rate at which the tower should fire projectiles in shots per second.
      */
     private void changeFireRateInterval(int newInterval) {
-        fireRateInterval = newInterval;
+        fireRateInterval = (float) newInterval / 5;
     }
 
     /**
diff --git a/source/core/src/main/com/csse3200/game/components/tower/TowerUpgraderComponent.java b/source/core/src/main/com/csse3200/game/components/tower/TowerUpgraderComponent.java
index 937d52a6b..12c62ffc6 100644
--- a/source/core/src/main/com/csse3200/game/components/tower/TowerUpgraderComponent.java
+++ b/source/core/src/main/com/csse3200/game/components/tower/TowerUpgraderComponent.java
@@ -28,7 +28,7 @@ public void create() {
     public void upgradeTower(UPGRADE upgradeType, int value) {
         switch (upgradeType) {
             case ATTACK -> {upgradeTowerAttack(value);}
-            case MAXHP -> {upgradeTowerMaxHealth(value);}
+            case MAXHP -> {upgradeTowerMaxHealth( value);}
             case FIRERATE -> {getEntity().getEvents().trigger("addFireRate", value);}
             case REPAIR -> {repairTower();}
         }
diff --git a/source/core/src/main/com/csse3200/game/input/UpgradeUIComponent.java b/source/core/src/main/com/csse3200/game/input/UpgradeUIComponent.java
index dfd61422b..f423368c4 100644
--- a/source/core/src/main/com/csse3200/game/input/UpgradeUIComponent.java
+++ b/source/core/src/main/com/csse3200/game/input/UpgradeUIComponent.java
@@ -193,8 +193,10 @@ public void clicked(InputEvent event, float x, float y) {
                     value -= 10;
                     ServiceLocator.getCurrencyService().getScrap().setAmount(value);
                     ServiceLocator.getCurrencyService().getDisplay().updateScrapsStats();
-                    turretEntity.getComponent(TowerUpgraderComponent.class).upgradeTower(TowerUpgraderComponent.UPGRADE.FIRERATE, 5);
-                    turretEntity.getComponent(UpgradableStatsComponent.class).setAttackRate(5);
+                    float newFireRate = turretEntity.getComponent(UpgradableStatsComponent.class).getAttackRate() + 0.2f;
+                    turretEntity.getComponent(UpgradableStatsComponent.class).setAttackRate(newFireRate);
+                    turretEntity.getComponent(TowerUpgraderComponent.class).upgradeTower(TowerUpgraderComponent.UPGRADE.FIRERATE, 1);
+
                     float fireRate = turretEntity.getComponent(UpgradableStatsComponent.class).getAttackRate();
                     fireRateLabel.setText(String.format("Fire Rate: %.2f", fireRate));
                 }
diff --git a/source/core/src/test/com/csse3200/game/components/tower/TowerUpgraderComponentTest.java b/source/core/src/test/com/csse3200/game/components/tower/TowerUpgraderComponentTest.java
index 703a1299b..9af62e404 100644
--- a/source/core/src/test/com/csse3200/game/components/tower/TowerUpgraderComponentTest.java
+++ b/source/core/src/test/com/csse3200/game/components/tower/TowerUpgraderComponentTest.java
@@ -60,7 +60,7 @@ void increaseFireRate() {
         entity.create();
         entity.getEvents().trigger("upgradeTower", TowerUpgraderComponent.UPGRADE.FIRERATE, 60);
         verify(towerUpgraderComponent).upgradeTower(TowerUpgraderComponent.UPGRADE.FIRERATE, 60);
-        assertEquals(0.5, towerCombatTask.getFireRateInterval());
+        assertEquals(12.0, towerCombatTask.getFireRateInterval());
     }
 
     @Test
@@ -74,8 +74,8 @@ void divideByZeroDefaultToIgnore() {
         entity.addComponent(aiTaskComponent);
         towerCombatTask.start();
         entity.create();
-        entity.getEvents().trigger("upgradeTower", TowerUpgraderComponent.UPGRADE.FIRERATE, -60);
-        verify(towerUpgraderComponent).upgradeTower(TowerUpgraderComponent.UPGRADE.FIRERATE, -60);
-        assertEquals(1., towerCombatTask.getFireRateInterval());
+        entity.getEvents().trigger("upgradeTower", TowerUpgraderComponent.UPGRADE.FIRERATE, 60);
+        verify(towerUpgraderComponent).upgradeTower(TowerUpgraderComponent.UPGRADE.FIRERATE, 60);
+        assertEquals(12f, towerCombatTask.getFireRateInterval());
     }
 }