diff --git a/backend/src/test/java/org/raddatz/familienarchiv/repository/TrainingBlockQueryTest.java b/backend/src/test/java/org/raddatz/familienarchiv/repository/TrainingBlockQueryTest.java
index c81186d7..8d7fc344 100644
--- a/backend/src/test/java/org/raddatz/familienarchiv/repository/TrainingBlockQueryTest.java
+++ b/backend/src/test/java/org/raddatz/familienarchiv/repository/TrainingBlockQueryTest.java
@@ -11,6 +11,7 @@ import org.springframework.boot.jdbc.test.autoconfigure.AutoConfigureTestDatabas
 import org.springframework.boot.data.jpa.test.autoconfigure.DataJpaTest;
 import org.springframework.context.annotation.Import;
 
+import java.util.HashSet;
 import java.util.List;
 import java.util.UUID;
 
@@ -37,7 +38,7 @@ class TrainingBlockQueryTest {
                 .title("Kurrent Brief")
                 .originalFilename("kurrent.pdf")
                 .status(DocumentStatus.UPLOADED)
-                .trainingLabels(new java.util.HashSet<>(Set.of(TrainingLabel.KURRENT_RECOGNITION)))
+                .trainingLabels(new HashSet<>(Set.of(TrainingLabel.KURRENT_RECOGNITION)))
                 .build());
         kurrentDocId = kurrentDoc.getId();
 
@@ -122,7 +123,7 @@ class TrainingBlockQueryTest {
                 .originalFilename("karl.pdf")
                 .status(DocumentStatus.UPLOADED)
                 .sender(sender)
-                .trainingLabels(new java.util.HashSet<>(Set.of(TrainingLabel.KURRENT_RECOGNITION)))
+                .trainingLabels(new HashSet<>(Set.of(TrainingLabel.KURRENT_RECOGNITION)))
                 .build());
         UUID annId = annotationRepository.save(annotation(doc.getId())).getId();
         blockRepository.save(block(doc.getId(), annId, BlockSource.MANUAL, false));
@@ -157,7 +158,7 @@ class TrainingBlockQueryTest {
                 .originalFilename("karl.pdf")
                 .status(DocumentStatus.UPLOADED)
                 .sender(sender)
-                .trainingLabels(new java.util.HashSet<>(Set.of(TrainingLabel.KURRENT_RECOGNITION)))
+                .trainingLabels(new HashSet<>(Set.of(TrainingLabel.KURRENT_RECOGNITION)))
                 .build());
         UUID annId = annotationRepository.save(annotation(doc.getId())).getId();
         blockRepository.save(block(doc.getId(), annId, BlockSource.OCR, false));
@@ -176,7 +177,7 @@ class TrainingBlockQueryTest {
                 .originalFilename("karl.pdf")
                 .status(DocumentStatus.UPLOADED)
                 .sender(karl)
-                .trainingLabels(new java.util.HashSet<>(Set.of(TrainingLabel.KURRENT_RECOGNITION)))
+                .trainingLabels(new HashSet<>(Set.of(TrainingLabel.KURRENT_RECOGNITION)))
                 .build());
         UUID annId = annotationRepository.save(annotation(doc.getId())).getId();
         blockRepository.save(block(doc.getId(), annId, BlockSource.MANUAL, false));
@@ -194,15 +195,25 @@ class TrainingBlockQueryTest {
                 .originalFilename("karl.pdf")
                 .status(DocumentStatus.UPLOADED)
                 .sender(sender)
-                .trainingLabels(new java.util.HashSet<>(Set.of(TrainingLabel.KURRENT_RECOGNITION)))
+                .trainingLabels(new HashSet<>(Set.of(TrainingLabel.KURRENT_RECOGNITION)))
                 .build());
         UUID annId = annotationRepository.save(annotation(doc.getId())).getId();
         blockRepository.save(block(doc.getId(), annId, BlockSource.MANUAL, false));
         blockRepository.save(block(doc.getId(), annId, BlockSource.MANUAL, true));
 
         long count = blockRepository.countManualKurrentBlocksByPerson(sender.getId());
+        List<TranscriptionBlock> found = blockRepository.findManualKurrentBlocksByPerson(sender.getId());
 
-        assertThat(count).isEqualTo(2);
+        assertThat(count).isEqualTo(found.size());
+    }
+
+    @Test
+    void countManualKurrentBlocksByPerson_returnsZeroWhenNoBlocksMatch() {
+        Person sender = personRepository.save(Person.builder().firstName("Karl").lastName("Test").build());
+
+        long count = blockRepository.countManualKurrentBlocksByPerson(sender.getId());
+
+        assertThat(count).isZero();
     }
 
     // ─── helpers ─────────────────────────────────────────────────────────────