diff --git a/server/bundles/io.cloudbeaver.connect.provider.sample/src/io/cloudbeaver/connect/provider/sample/SampleDataSourceConfigurationStorage.java b/server/bundles/io.cloudbeaver.connect.provider.sample/src/io/cloudbeaver/connect/provider/sample/SampleDataSourceConfigurationStorage.java
index 097dd68f38..3b80569972 100644
--- a/server/bundles/io.cloudbeaver.connect.provider.sample/src/io/cloudbeaver/connect/provider/sample/SampleDataSourceConfigurationStorage.java
+++ b/server/bundles/io.cloudbeaver.connect.provider.sample/src/io/cloudbeaver/connect/provider/sample/SampleDataSourceConfigurationStorage.java
@@ -77,7 +77,7 @@ public class SampleDataSourceConfigurationStorage implements DBPDataSourceConfig
 
     @Override
     public String getConfigurationFileSuffix() {
-        return "sample";
+        return "-sample";
     }
 
 }