diff --git a/backend/src/main/java/org/raddatz/familienarchiv/service/OcrTrainingService.java b/backend/src/main/java/org/raddatz/familienarchiv/service/OcrTrainingService.java
index 820ab2f5..dc6ff043 100644
--- a/backend/src/main/java/org/raddatz/familienarchiv/service/OcrTrainingService.java
+++ b/backend/src/main/java/org/raddatz/familienarchiv/service/OcrTrainingService.java
@@ -45,6 +45,13 @@ public class OcrTrainingService {
             List<OcrTrainingRun> runs
     ) {}
 
+    private void assertNoRunningTraining() {
+        if (trainingRunRepository.findFirstByStatus(TrainingStatus.RUNNING).isPresent()) {
+            throw DomainException.conflict(ErrorCode.TRAINING_ALREADY_RUNNING,
+                    "A training run is already in progress");
+        }
+    }
+
     // Not safe for horizontal scaling: training reloads the Kraken model in-process on the
     // Python OCR service after each run. The DB-level RUNNING constraint (V30 partial unique
     // index) prevents concurrent training API calls, but cannot prevent two OCR service replicas
@@ -53,10 +60,7 @@ public class OcrTrainingService {
         // Short transaction: guard check + create RUNNING row, then commit immediately.
         // The DB connection is released before the OCR HTTP call, which can take several minutes.
         OcrTrainingRun run = Objects.requireNonNull(txTemplate.execute(status -> {
-            if (trainingRunRepository.findFirstByStatus(TrainingStatus.RUNNING).isPresent()) {
-                throw DomainException.conflict(ErrorCode.TRAINING_ALREADY_RUNNING,
-                        "A training run is already in progress");
-            }
+            assertNoRunningTraining();
 
             var eligibleBlocks = trainingDataExportService.queryEligibleBlocks();
             if (eligibleBlocks.size() < 5) {
@@ -120,10 +124,7 @@ public class OcrTrainingService {
     public OcrTrainingRun triggerSegTraining(UUID triggeredBy) {
         // Same pattern as triggerTraining: narrow transactions around DB writes only.
         OcrTrainingRun run = Objects.requireNonNull(txTemplate.execute(status -> {
-            if (trainingRunRepository.findFirstByStatus(TrainingStatus.RUNNING).isPresent()) {
-                throw DomainException.conflict(ErrorCode.TRAINING_ALREADY_RUNNING,
-                        "A training run is already in progress");
-            }
+            assertNoRunningTraining();
 
             var segBlocks = segmentationTrainingExportService.querySegmentationBlocks();
             if (segBlocks.size() < 5) {