diff --git a/src/main/java/com/volmit/iris/Iris.java b/src/main/java/com/volmit/iris/Iris.java
index b39583667..63b0c4a9b 100644
--- a/src/main/java/com/volmit/iris/Iris.java
+++ b/src/main/java/com/volmit/iris/Iris.java
@@ -49,6 +49,7 @@ public class Iris extends VolmitPlugin
 	public static boolean lowMemoryMode = false;
 	public static IrisCompat compat;
 	public static FileWatcher configWatcher;
+	public static boolean warnsmoothie = true;
 
 	@Permission
 	public static PermissionIris perm;
@@ -129,6 +130,13 @@ public class Iris extends VolmitPlugin
 		return false;
 	}
 
+	public static void warnsmoothie(){
+		if (warnsmoothie){
+			warn("The smoothieMap 'illegal reflective access operation' is required and can be safely ignored");
+			warnsmoothie = false;
+		}
+	}
+
 	@Override
 	public void start()
 	{
diff --git a/src/main/java/com/volmit/iris/object/IrisObject.java b/src/main/java/com/volmit/iris/object/IrisObject.java
index d39733d28..6b307908f 100644
--- a/src/main/java/com/volmit/iris/object/IrisObject.java
+++ b/src/main/java/com/volmit/iris/object/IrisObject.java
@@ -218,6 +218,7 @@ public class IrisObject extends IrisRegistrant
 
 	public IrisObject(int w, int h, int d)
 	{
+		Iris.warnsmoothie();
 		blocks = SmoothieMap.<BlockVector, BlockData>newBuilder()
 				.doShrink(true)
 				.optimizeFor(OptimizationObjective.LOW_GARBAGE)
diff --git a/src/main/java/net/querz/mca/Section.java b/src/main/java/net/querz/mca/Section.java
index 10fd9dd3f..19c1e0f9d 100644
--- a/src/main/java/net/querz/mca/Section.java
+++ b/src/main/java/net/querz/mca/Section.java
@@ -1,5 +1,6 @@
 package net.querz.mca;
 
+import com.volmit.iris.Iris;
 import io.timeandspace.smoothie.OptimizationObjective;
 import io.timeandspace.smoothie.SmoothieMap;
 import net.querz.nbt.tag.ByteArrayTag;
@@ -27,6 +28,7 @@ public class Section {
 
 	public Section(CompoundTag sectionRoot, int dataVersion) {
 		this(sectionRoot, dataVersion, ALL_DATA);
+		Iris.warnsmoothie();
 	}
 
 	public Section(CompoundTag sectionRoot, int dataVersion, long loadFlags) {
diff --git a/src/main/java/net/querz/nbt/tag/CompoundTag.java b/src/main/java/net/querz/nbt/tag/CompoundTag.java
index 8ebf166b2..c91016cb0 100644
--- a/src/main/java/net/querz/nbt/tag/CompoundTag.java
+++ b/src/main/java/net/querz/nbt/tag/CompoundTag.java
@@ -1,5 +1,6 @@
 package net.querz.nbt.tag;
 
+import com.volmit.iris.Iris;
 import io.timeandspace.smoothie.OptimizationObjective;
 import io.timeandspace.smoothie.SmoothieMap;
 import net.querz.io.MaxDepthIO;
@@ -13,6 +14,7 @@ public class CompoundTag extends Tag<Map<String, Tag<?>>> implements Iterable<Ma
 
 	public CompoundTag() {
 		super(createEmptyValue());
+		Iris.warnsmoothie();
 	}
 
 	@Override