diff --git a/src/main/java/meteordevelopment/meteorclient/mixin/BlockMixin.java b/src/main/java/meteordevelopment/meteorclient/mixin/BlockMixin.java
index b1efd3fd49..f16a371560 100644
--- a/src/main/java/meteordevelopment/meteorclient/mixin/BlockMixin.java
+++ b/src/main/java/meteordevelopment/meteorclient/mixin/BlockMixin.java
@@ -46,7 +46,7 @@ public float getSlipperiness(float original) {
         Slippy slippy = Modules.get().get(Slippy.class);
         Block block = (Block) (Object) this;
 
-        if (slippy.isActive() && !slippy.ignoredBlocks.get().contains(block)) {
+        if (slippy.isActive() && (slippy.listMode.get() == Slippy.ListMode.Whitelist ? slippy.allowedBlocks.get().contains(block) : !slippy.ignoredBlocks.get().contains(block))) {
             return slippy.friction.get().floatValue();
         }
 
diff --git a/src/main/java/meteordevelopment/meteorclient/systems/modules/movement/Slippy.java b/src/main/java/meteordevelopment/meteorclient/systems/modules/movement/Slippy.java
index 7336664f28..18ee10e8d7 100644
--- a/src/main/java/meteordevelopment/meteorclient/systems/modules/movement/Slippy.java
+++ b/src/main/java/meteordevelopment/meteorclient/systems/modules/movement/Slippy.java
@@ -5,10 +5,7 @@
 
 package meteordevelopment.meteorclient.systems.modules.movement;
 
-import meteordevelopment.meteorclient.settings.BlockListSetting;
-import meteordevelopment.meteorclient.settings.DoubleSetting;
-import meteordevelopment.meteorclient.settings.Setting;
-import meteordevelopment.meteorclient.settings.SettingGroup;
+import meteordevelopment.meteorclient.settings.*;
 import meteordevelopment.meteorclient.systems.modules.Categories;
 import meteordevelopment.meteorclient.systems.modules.Module;
 import net.minecraft.block.Block;
@@ -27,13 +24,33 @@ public class Slippy extends Module {
         .build()
     );
 
+    public final Setting<ListMode> listMode = sgGeneral.add(new EnumSetting.Builder<ListMode>()
+        .name("list-mode")
+        .description("The mode to select blocks.")
+        .defaultValue(ListMode.Blacklist)
+        .build()
+    );
+
     public final Setting<List<Block>> ignoredBlocks = sgGeneral.add(new BlockListSetting.Builder()
         .name("ignored-blocks")
         .description("Decide which blocks not to slip on")
+        .visible(() -> listMode.get() == ListMode.Blacklist)
+        .build()
+    );
+
+    public final Setting<List<Block>> allowedBlocks = sgGeneral.add(new BlockListSetting.Builder()
+        .name("allowed-blocks")
+        .description("Decide which blocks to slip on")
+        .visible(() -> listMode.get() == ListMode.Whitelist)
         .build()
     );
 
     public Slippy() {
         super(Categories.Movement, "slippy", "Changes the base friction level of blocks.");
     }
+
+    public enum ListMode {
+        Whitelist,
+        Blacklist
+    }
 }