diff --git a/src/main/java/com/aerospike/jdbc/schema/AerospikeSchemaBuilder.java b/src/main/java/com/aerospike/jdbc/schema/AerospikeSchemaBuilder.java
index 0d7c60e..716f693 100644
--- a/src/main/java/com/aerospike/jdbc/schema/AerospikeSchemaBuilder.java
+++ b/src/main/java/com/aerospike/jdbc/schema/AerospikeSchemaBuilder.java
@@ -51,7 +51,7 @@ public static List<DataColumn> getSchema(SchemaTableName schemaTableName, IAeros
                 bins.forEach((k, value) -> {
                     logger.fine(() -> String.format("Bin: %s -> %s", k, value));
                     int t = getBinType(value);
-                    if (t != 0) {
+                    if (k != null && t != 0) {
                         columnHandles.put(k, new DataColumn(schemaTableName.getSchemaName(),
                                 schemaTableName.getTableName(), t, k, k));
                     }
diff --git a/src/main/java/com/aerospike/jdbc/sql/AerospikeRecordResultSet.java b/src/main/java/com/aerospike/jdbc/sql/AerospikeRecordResultSet.java
index 86101a8..b62e250 100644
--- a/src/main/java/com/aerospike/jdbc/sql/AerospikeRecordResultSet.java
+++ b/src/main/java/com/aerospike/jdbc/sql/AerospikeRecordResultSet.java
@@ -8,7 +8,6 @@
 import java.math.BigDecimal;
 import java.sql.Statement;
 import java.util.List;
-import java.util.Objects;
 import java.util.Optional;
 import java.util.logging.Logger;
 
@@ -56,7 +55,7 @@ public String getString(String columnLabel) {
         if (columnLabel.equals(defaultKeyName)) {
             return getUserKey().map(Value::toString).orElse(null);
         }
-        return getBin(columnLabel).map(Objects::toString).orElse(null);
+        return getBin(columnLabel).map(Object::toString).orElse(null);
     }
 
     @Override