diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/gpu/GpuPlugin.java b/runelite-client/src/main/java/net/runelite/client/plugins/gpu/GpuPlugin.java
index 9218d987c7..a7871f95da 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/gpu/GpuPlugin.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/gpu/GpuPlugin.java
@@ -102,6 +102,7 @@ public class GpuPlugin extends Plugin implements DrawCallbacks
 	private static final int SMALL_TRIANGLE_COUNT = 512;
 	private static final int FLAG_SCENE_BUFFER = Integer.MIN_VALUE;
 	static final int MAX_DISTANCE = 90;
+	static final int MAX_FOG_DEPTH = 100;
 
 	@Inject
 	private Client client;
diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/gpu/GpuPluginConfig.java b/runelite-client/src/main/java/net/runelite/client/plugins/gpu/GpuPluginConfig.java
index 647fbf65ea..94878c69dc 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/gpu/GpuPluginConfig.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/gpu/GpuPluginConfig.java
@@ -28,6 +28,7 @@ import net.runelite.client.config.Config;
 import net.runelite.client.config.ConfigGroup;
 import net.runelite.client.config.ConfigItem;
 import net.runelite.client.config.Range;
+import static net.runelite.client.plugins.gpu.GpuPlugin.MAX_FOG_DEPTH;
 import net.runelite.client.plugins.gpu.config.AntiAliasingMode;
 import static net.runelite.client.plugins.gpu.GpuPlugin.MAX_DISTANCE;
 
@@ -70,6 +71,9 @@ public interface GpuPluginConfig extends Config
 		return AntiAliasingMode.DISABLED;
 	}
 
+	@Range(
+		max = MAX_FOG_DEPTH
+	)
 	@ConfigItem(
 		keyName = "fogDepth",
 		name = "Fog depth",