diff --git a/library/src/main/java/com/github/quadflask/smartcrop/SmartCrop.java b/library/src/main/java/com/github/quadflask/smartcrop/SmartCrop.java
index 85489ea..8b8a15b 100644
--- a/library/src/main/java/com/github/quadflask/smartcrop/SmartCrop.java
+++ b/library/src/main/java/com/github/quadflask/smartcrop/SmartCrop.java
@@ -42,6 +42,7 @@ public static Observable<CropResult> analyzeWithObservable(final Options options
 					@Override
 					public void call(Subscriber<? super CropResult> subscriber) {
 						subscriber.onNext(SmartCrop.analyze(options, input));
+						subscriber.onCompleted();
 					}
 				});
 	}