diff --git a/src/main/java/com/gmitaros/vesselmetrics/parser/impl/CsvParserService.java b/src/main/java/com/gmitaros/vesselmetrics/parser/impl/CsvParserService.java
index 6d239d7..e4acc26 100644
--- a/src/main/java/com/gmitaros/vesselmetrics/parser/impl/CsvParserService.java
+++ b/src/main/java/com/gmitaros/vesselmetrics/parser/impl/CsvParserService.java
@@ -62,20 +62,22 @@ public class CsvParserService implements DataParser {
     @PostConstruct
     @Transactional
     public void init() {
-        long vesselData = vesselDataRepository.count();
-        log.info("Found {} vessel data in vessel_data db ", vesselData);
-        boolean loadData = vesselData <= 0 || loadCsvIfAlreadyHaveData;
-        if (loadData) {
-            log.info("CsvParserService will load data from {} file", vesselDataPath);
-            try (InputStream inputStream = getClass().getResourceAsStream(vesselDataPath)) {
-                parseAndSave(inputStream);
-                checkForOutliers();
-            } catch (Exception e) {
-                log.error("Error initializing data: ", e);
-                throw new RuntimeException("Failed to initialize data", e);
+        synchronized (this) {
+            long vesselData = vesselDataRepository.count();
+            log.info("Found {} vessel data in vessel_data db ", vesselData);
+            boolean loadData = vesselData <= 0 || loadCsvIfAlreadyHaveData;
+            if (loadData) {
+                log.info("CsvParserService will load data from {} file", vesselDataPath);
+                try (InputStream inputStream = getClass().getResourceAsStream(vesselDataPath)) {
+                    parseAndSave(inputStream);
+                    checkForOutliers();
+                } catch (Exception e) {
+                    log.error("Error initializing data: ", e);
+                    throw new RuntimeException("Failed to initialize data", e);
+                }
+            } else {
+                log.info("Skipping loading again vessel data from CSV file");
             }
-        } else {
-            log.info("Skipping loading again vessel data from CSV file");
         }
     }