diff --git a/src/main/java/org/gcube/application/geoportal/service/engine/mongo/PostgisIndex.java b/src/main/java/org/gcube/application/geoportal/service/engine/mongo/PostgisIndex.java
index a51c5b3..0c6d2af 100644
--- a/src/main/java/org/gcube/application/geoportal/service/engine/mongo/PostgisIndex.java
+++ b/src/main/java/org/gcube/application/geoportal/service/engine/mongo/PostgisIndex.java
@@ -26,6 +26,15 @@ import lombok.extern.slf4j.Slf4j;
 @Slf4j
 public class PostgisIndex {
 
+	static{
+		try {
+			Class.forName("org.postgresql.Driver");
+			Class.forName("org.postgis.DriverWrapper");
+		} catch (Exception var2) {
+			throw new RuntimeException(var2);
+		}
+	}
+
 	@NonNull
 	@Getter
 	private Concessione record;