diff --git a/src/main/java/ai/nets/samj/communication/model/SAM2Small.java b/src/main/java/ai/nets/samj/communication/model/SAM2Small.java
index 1cb82a5..a743224 100644
--- a/src/main/java/ai/nets/samj/communication/model/SAM2Small.java
+++ b/src/main/java/ai/nets/samj/communication/model/SAM2Small.java
@@ -240,7 +240,8 @@ public void notifyUiHasBeenClosed() {
 	 * {@inheritDoc}
 	 */
 	public void closeProcess() {
-		efficientSamJ.close();
+		if (efficientSamJ != null)
+			efficientSamJ.close();
 		efficientSamJ = null;
 	}