diff --git a/src/main/java/world/bentobox/acidisland/listeners/AcidEffect.java b/src/main/java/world/bentobox/acidisland/listeners/AcidEffect.java
index 67f42d3..887454a 100644
--- a/src/main/java/world/bentobox/acidisland/listeners/AcidEffect.java
+++ b/src/main/java/world/bentobox/acidisland/listeners/AcidEffect.java
@@ -258,7 +258,7 @@ public class AcidEffect implements Listener {
      * @param player - player
      * @return true if player is safe
      */
-    private boolean isSafeFromAcid(Player player) {
+    boolean isSafeFromAcid(Player player) {
         // Check for GodMode
         if (isEssentialsGodMode(player)
                 // Protect visitors
@@ -275,7 +275,8 @@ public class AcidEffect implements Listener {
             return true;
         }
         // Check if player is on a boat
-        if (player.getVehicle() != null && player.getVehicle().getType().equals(EntityType.BOAT)) {
+        if (player.getVehicle() != null && (player.getVehicle().getType().equals(EntityType.BOAT)
+                || player.getVehicle().getType().equals(EntityType.CHEST_BOAT))) {
             // I'M ON A BOAT! I'M ON A BOAT! A %^&&* BOAT! SNL Sketch. https://youtu.be/avaSdC0QOUM.
             return true;
         }
diff --git a/src/test/java/world/bentobox/acidisland/AcidIslandTest.java b/src/test/java/world/bentobox/acidisland/AcidIslandTest.java
index 1150df7..4ed6d4c 100644
--- a/src/test/java/world/bentobox/acidisland/AcidIslandTest.java
+++ b/src/test/java/world/bentobox/acidisland/AcidIslandTest.java
@@ -60,7 +60,6 @@ import world.bentobox.bentobox.managers.CommandsManager;
 import world.bentobox.bentobox.managers.FlagsManager;
 import world.bentobox.bentobox.managers.IslandWorldManager;
 import world.bentobox.bentobox.managers.IslandsManager;
-import world.bentobox.bentobox.managers.RanksManager;
 
 /**
  * @author tastybento
@@ -202,11 +201,6 @@ public class AcidIslandTest {
 
 		// Settings
 		when(plugin.getSettings()).thenReturn(settings);
-
-		// RanksManager
-		RanksManager rm = new RanksManager();
-		when(plugin.getRanksManager()).thenReturn(rm);
-
 	}
 
 	/**
diff --git a/src/test/java/world/bentobox/acidisland/listeners/AcidEffectTest.java b/src/test/java/world/bentobox/acidisland/listeners/AcidEffectTest.java
index 3177247..22d55b2 100644
--- a/src/test/java/world/bentobox/acidisland/listeners/AcidEffectTest.java
+++ b/src/test/java/world/bentobox/acidisland/listeners/AcidEffectTest.java
@@ -648,4 +648,57 @@ public class AcidEffectTest {
         verify(player).damage(2.0d); // Reduced due to armor
     }
 
+    /**
+     * Test method for {@link world.bentobox.acidisland.listeners.AcidEffect#isSafeFromAcid(Player)}.
+     */
+    @Test
+    public void testIsSafeFromAcid() {
+        assertFalse(ae.isSafeFromAcid(player));
+    }
+
+    /**
+     * Test method for {@link world.bentobox.acidisland.listeners.AcidEffect#isSafeFromAcid(Player)}.
+     */
+    @Test
+    public void testIsSafeFromAcidEssentialGodMode() {
+        when(essentialsUser.isGodModeEnabled()).thenReturn(true);
+        assertTrue(ae.isSafeFromAcid(player));
+    }
+
+    /**
+     * Test method for {@link world.bentobox.acidisland.listeners.AcidEffect#isSafeFromAcid(Player)}.
+     */
+    @Test
+    public void testIsSafeFromAcidBoat() {
+        when(player.isInsideVehicle()).thenReturn(true);
+        Entity boat = mock(Entity.class);
+        when(boat.getType()).thenReturn(EntityType.BOAT);
+        when(player.getVehicle()).thenReturn(boat);
+        assertTrue(ae.isSafeFromAcid(player));
+    }
+
+    /**
+     * Test method for {@link world.bentobox.acidisland.listeners.AcidEffect#isSafeFromAcid(Player)}.
+     */
+    @Test
+    public void testIsSafeFromAcidChestBoat() {
+        when(player.isInsideVehicle()).thenReturn(true);
+        Entity boat = mock(Entity.class);
+        when(boat.getType()).thenReturn(EntityType.CHEST_BOAT);
+        when(player.getVehicle()).thenReturn(boat);
+        assertTrue(ae.isSafeFromAcid(player));
+    }
+
+    /**
+     * Test method for {@link world.bentobox.acidisland.listeners.AcidEffect#isSafeFromAcid(Player)}.
+     */
+    @Test
+    public void testIsSafeFromAcidFullArmor() {
+        when(settings.isFullArmorProtection()).thenReturn(true);
+        ItemStack[] armor = { new ItemStack(Material.CHAINMAIL_CHESTPLATE), new ItemStack(Material.CHAINMAIL_HELMET) };
+        when(inv.getArmorContents()).thenReturn(armor);
+        when(player.getInventory()).thenReturn(inv);
+        assertTrue(ae.isSafeFromAcid(player));
+    }
+
 }