diff --git a/backend/src/main/java/pl/polskalokalnie/config/SchemaFixer.java b/backend/src/main/java/pl/polskalokalnie/config/SchemaFixer.java
index 139532c..0e03f6e 100644
--- a/backend/src/main/java/pl/polskalokalnie/config/SchemaFixer.java
+++ b/backend/src/main/java/pl/polskalokalnie/config/SchemaFixer.java
@@ -1,5 +1,10 @@
 package pl.polskalokalnie.config;
 
+import java.sql.Connection;
+import java.sql.SQLException;
+import javax.sql.DataSource;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.boot.ApplicationRunner;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -8,9 +13,32 @@ import org.springframework.jdbc.core.JdbcTemplate;
 @Configuration
 public class SchemaFixer {
 
+    private static final Logger log = LoggerFactory.getLogger(SchemaFixer.class);
+
+    /**
+     * Laty schematu pisane sa skladnia PostgreSQL (DO $$, to_regclass, lo_get, split_part...),
+     * bo taka baza dziala na serwerze. W testach schemat tworzy Hibernate z encji na H2,
+     * wiec nie ma czego latac - bez tego warunku kazdy @SpringBootTest wywracal sie przy starcie.
+     */
+    private static boolean isPostgres(JdbcTemplate jdbcTemplate) {
+        DataSource dataSource = jdbcTemplate.getDataSource();
+        if (dataSource == null) {
+            return false;
+        }
+        try (Connection connection = dataSource.getConnection()) {
+            return "PostgreSQL".equalsIgnoreCase(connection.getMetaData().getDatabaseProductName());
+        } catch (SQLException ex) {
+            log.warn("Nie udalo sie rozpoznac bazy danych, pomijam poprawki schematu: {}", ex.getMessage());
+            return false;
+        }
+    }
+
     @Bean
     ApplicationRunner ensureViewsCountColumn(JdbcTemplate jdbcTemplate) {
         return args -> {
+            if (!isPostgres(jdbcTemplate)) {
+                return;
+            }
             jdbcTemplate.execute(
                 "ALTER TABLE property_listings ADD COLUMN IF NOT EXISTS views_count BIGINT NOT NULL DEFAULT 0"
             );