diff --git a/src/test/java/eu/openaire/publications_retriever/test/TestNonStandardInputOutput.java b/src/test/java/eu/openaire/publications_retriever/test/TestNonStandardInputOutput.java
index 67ce8b6..834dd3c 100644
--- a/src/test/java/eu/openaire/publications_retriever/test/TestNonStandardInputOutput.java
+++ b/src/test/java/eu/openaire/publications_retriever/test/TestNonStandardInputOutput.java
@@ -7,6 +7,7 @@
 import eu.openaire.publications_retriever.util.signal.SignalUtils;
 import eu.openaire.publications_retriever.util.url.GenericUtils;
 import eu.openaire.publications_retriever.util.url.LoaderAndChecker;
+import eu.openaire.publications_retriever.util.url.UrlTypeChecker;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;