diff --git a/src/main/java/org/acra/file/LastModifiedComparator.java b/src/main/java/org/acra/file/LastModifiedComparator.java
index 61dc943275..a12a5e1861 100644
--- a/src/main/java/org/acra/file/LastModifiedComparator.java
+++ b/src/main/java/org/acra/file/LastModifiedComparator.java
@@ -11,6 +11,8 @@
 final class LastModifiedComparator implements Comparator<File> {
     @Override
     public int compare(@NonNull File lhs, @NonNull File rhs) {
-        return (int) (lhs.lastModified() - rhs.lastModified());
+        long l = lhs.lastModified();
+        long r = rhs.lastModified();
+        return l < r ? -1 : (l == r ? 0 : 1);
     }
 }