diff --git a/dbms/src/test/java/org/polypheny/db/jdbc/JdbcConnectionTest.java b/dbms/src/test/java/org/polypheny/db/jdbc/JdbcConnectionTest.java
index 9883c539cc..f5294f8929 100644
--- a/dbms/src/test/java/org/polypheny/db/jdbc/JdbcConnectionTest.java
+++ b/dbms/src/test/java/org/polypheny/db/jdbc/JdbcConnectionTest.java
@@ -49,7 +49,8 @@
 import org.polypheny.db.TestHelper;
 import org.polypheny.db.TestHelper.JdbcConnection;
 import org.polypheny.jdbc.PolyConnection;
-import org.polypheny.jdbc.ProtoInterfaceServiceException;
+import org.polypheny.jdbc.PrismInterfaceClient;
+import org.polypheny.jdbc.PrismInterfaceServiceException;
 import org.polypheny.jdbc.jdbctypes.PolyphenyBlob;
 import org.polypheny.jdbc.jdbctypes.PolyphenyClob;
 
@@ -336,7 +337,7 @@ public void abortNotSupportedTest() throws SQLException {
     @Test
     public void setInvalidNamespaceTest() {
         String namespaceName = "nonexistentNamespace";
-        assertThrows( ProtoInterfaceServiceException.class, () -> {
+        assertThrows( PrismInterfaceServiceException.class, () -> {
             try ( JdbcConnection jdbcConnection = new JdbcConnection( true ) ) {
                 Connection connection = jdbcConnection.getConnection();
                 connection.setSchema( namespaceName );
diff --git a/dbms/src/test/java/org/polypheny/db/jdbc/JdbcDdlTest.java b/dbms/src/test/java/org/polypheny/db/jdbc/JdbcDdlTest.java
index 62425fad4c..1057b888d6 100644
--- a/dbms/src/test/java/org/polypheny/db/jdbc/JdbcDdlTest.java
+++ b/dbms/src/test/java/org/polypheny/db/jdbc/JdbcDdlTest.java
@@ -35,7 +35,7 @@
 import org.polypheny.db.TestHelper;
 import org.polypheny.db.TestHelper.JdbcConnection;
 import org.polypheny.db.type.PolyType;
-import org.polypheny.jdbc.ProtoInterfaceServiceException;
+import org.polypheny.jdbc.PrismInterfaceServiceException;
 
 
 @SuppressWarnings({ "SqlDialectInspection", "SqlNoDataSourceInspection" })
@@ -446,7 +446,7 @@ public void notNullTest() throws SQLException {
                     boolean failed = false;
                     try {
                         statement.executeUpdate( "INSERT INTO ddltest(tprimary) VALUES ( null, null, null, null, null, 1, null, null, null, null, null )" );
-                    } catch ( ProtoInterfaceServiceException e ) {
+                    } catch ( PrismInterfaceServiceException e ) {
                         failed = true;
                     }
                     assertTrue( failed );
diff --git a/plugins/proto-interface/src/main/java/org/polypheny/db/protointerface/PIClient.java b/plugins/proto-interface/src/main/java/org/polypheny/db/protointerface/PIClient.java
index fedf51e511..b11b6c28d2 100644
--- a/plugins/proto-interface/src/main/java/org/polypheny/db/protointerface/PIClient.java
+++ b/plugins/proto-interface/src/main/java/org/polypheny/db/protointerface/PIClient.java
@@ -67,7 +67,7 @@ public PIClient(
     public Transaction getCurrentOrCreateNewTransaction() {
         synchronized ( this ) {
             if ( currentTransaction == null || !currentTransaction.isActive() ) {
-                currentTransaction = transactionManager.startTransaction( catalogUser.id, namespace.id, false, "ProtoInterface" );
+                currentTransaction = transactionManager.startTransaction( catalogUser.id, namespace.id, false, "PrismInterface" );
             }
             return currentTransaction;
         }