diff --git a/src/main/java/org/mastodon/mamut/feature/SpotTrackIDFeatureComputer.java b/src/main/java/org/mastodon/mamut/feature/SpotTrackIDFeatureComputer.java
index 9e328be67..70a95ba64 100644
--- a/src/main/java/org/mastodon/mamut/feature/SpotTrackIDFeatureComputer.java
+++ b/src/main/java/org/mastodon/mamut/feature/SpotTrackIDFeatureComputer.java
@@ -43,7 +43,7 @@
 import org.scijava.plugin.Parameter;
 import org.scijava.plugin.Plugin;
 
-import io.humble.ferry.AtomicInteger;
+import java.util.concurrent.atomic.AtomicInteger;
 
 @Plugin( type = MamutFeatureComputer.class )
 public class SpotTrackIDFeatureComputer implements MamutFeatureComputer