diff --git a/src/main/java/org/jabref/logic/importer/fetcher/MathSciNet.java b/src/main/java/org/jabref/logic/importer/fetcher/MathSciNet.java
index 947ee696a7e..d51fafc8ac6 100644
--- a/src/main/java/org/jabref/logic/importer/fetcher/MathSciNet.java
+++ b/src/main/java/org/jabref/logic/importer/fetcher/MathSciNet.java
@@ -9,6 +9,7 @@
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Optional;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;