diff --git a/core/src/main/java/com/seibel/distanthorizons/core/wrapperInterfaces/modAccessor/ImmersivePortalsAbstractAccessor.java b/core/src/main/java/com/seibel/distanthorizons/core/wrapperInterfaces/modAccessor/ImmersivePortalsAbstractAccessor.java
index 18fb69959..a704cd31e 100644
--- a/core/src/main/java/com/seibel/distanthorizons/core/wrapperInterfaces/modAccessor/ImmersivePortalsAbstractAccessor.java
+++ b/core/src/main/java/com/seibel/distanthorizons/core/wrapperInterfaces/modAccessor/ImmersivePortalsAbstractAccessor.java
@@ -196,6 +196,7 @@ public abstract class ImmersivePortalsAbstractAccessor implements IImmersivePort
 	 */
 	private boolean isPortalVisibleRightNow() {
 		Supplier<?> frustumSupplier = getFrustumSupplier();
+		if (frustumSupplier == null) return false;
 		for (Object portal : getGlobalPortals(getClientLevel())) {
 			if (!shouldSkipRenderingPortal(portal, frustumSupplier)) {
 				return true;