diff --git a/src/main/java/com/commafeed/backend/service/FeedEntryFilteringService.java b/src/main/java/com/commafeed/backend/service/FeedEntryFilteringService.java
index 1b866acb..038d5393 100644
--- a/src/main/java/com/commafeed/backend/service/FeedEntryFilteringService.java
+++ b/src/main/java/com/commafeed/backend/service/FeedEntryFilteringService.java
@@ -8,6 +8,11 @@ import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
 
+import javax.inject.Inject;
+import javax.inject.Singleton;
+
+import lombok.RequiredArgsConstructor;
+
 import org.apache.commons.jexl2.JexlContext;
 import org.apache.commons.jexl2.JexlEngine;
 import org.apache.commons.jexl2.JexlException;
@@ -24,6 +29,8 @@ import org.jsoup.Jsoup;
 
 import com.commafeed.backend.model.FeedEntry;
 
+@RequiredArgsConstructor(onConstructor = @__({ @Inject }))
+@Singleton
 public class FeedEntryFilteringService {
 
 	private static final JexlEngine ENGINE = initEngine();