diff --git a/src/main/java/org/duckdb/DuckDBDatabaseMetaData.java b/src/main/java/org/duckdb/DuckDBDatabaseMetaData.java
index 1fc7fdd2b..c0760c89f 100644
--- a/src/main/java/org/duckdb/DuckDBDatabaseMetaData.java
+++ b/src/main/java/org/duckdb/DuckDBDatabaseMetaData.java
@@ -827,7 +827,7 @@ public ResultSet getColumns(String catalog, String schemaPattern, String tableNa
         sb.append("NULL AS 'BUFFER_LENGTH'").append(TRAILING_COMMA).append(lineSeparator());
         sb.append("numeric_scale AS 'DECIMAL_DIGITS'").append(TRAILING_COMMA).append(lineSeparator());
         sb.append("10 AS 'NUM_PREC_RADIX'").append(TRAILING_COMMA).append(lineSeparator());
-        sb.append("CASE WHEN is_nullable = 'YES' THEN 1 else 0 END AS 'NULLABLE'")
+        sb.append("CASE WHEN is_nullable = TRUE THEN 1 else 0 END AS 'NULLABLE'")
             .append(TRAILING_COMMA)
             .append(lineSeparator());
         sb.append("comment as 'REMARKS'").append(TRAILING_COMMA).append(lineSeparator());
@@ -836,7 +836,9 @@ public ResultSet getColumns(String catalog, String schemaPattern, String tableNa
         sb.append("NULL AS 'SQL_DATETIME_SUB'").append(TRAILING_COMMA).append(lineSeparator());
         sb.append("NULL AS 'CHAR_OCTET_LENGTH'").append(TRAILING_COMMA).append(lineSeparator());
         sb.append("column_index AS 'ORDINAL_POSITION'").append(TRAILING_COMMA).append(lineSeparator());
-        sb.append("is_nullable AS 'IS_NULLABLE'").append(TRAILING_COMMA).append(lineSeparator());
+        sb.append("CASE WHEN is_nullable = TRUE THEN 'YES' ELSE 'NO' END AS 'IS_NULLABLE'")
+            .append(TRAILING_COMMA)
+            .append(lineSeparator());
         sb.append("NULL AS 'SCOPE_CATALOG'").append(TRAILING_COMMA).append(lineSeparator());
         sb.append("NULL AS 'SCOPE_SCHEMA'").append(TRAILING_COMMA).append(lineSeparator());
         sb.append("NULL AS 'SCOPE_TABLE'").append(TRAILING_COMMA).append(lineSeparator());
diff --git a/src/test/java/org/duckdb/TestMetadata.java b/src/test/java/org/duckdb/TestMetadata.java
index c5c9220ec..cc0b0f48f 100644
--- a/src/test/java/org/duckdb/TestMetadata.java
+++ b/src/test/java/org/duckdb/TestMetadata.java
@@ -1,6 +1,5 @@
 package org.duckdb;
 
-import static java.lang.System.lineSeparator;
 import static java.util.Arrays.asList;
 import static org.duckdb.TestDuckDBJDBC.JDBC_URL;
 import static org.duckdb.test.Assertions.*;
@@ -1052,4 +1051,26 @@ public static void test_metadata_system_columns() throws Exception {
             assertTrue(count > 0);
         }
     }
+
+    public static void test_metadata_is_nullable() throws Exception {
+        try (Connection conn = DriverManager.getConnection(JDBC_URL); Statement stmt = conn.createStatement()) {
+            stmt.execute("CREATE TABLE tab1 (col1 INT, col2 INT NOT NULL)");
+            DatabaseMetaData dbMeta = conn.getMetaData();
+            try (ResultSet rs = dbMeta.getColumns(null, null, "tab1", null)) {
+                ResultSetMetaData rsMeta = rs.getMetaData();
+                assertEquals(rsMeta.getColumnName(11), "NULLABLE");
+                assertEquals(rsMeta.getColumnType(11), Types.INTEGER);
+                assertEquals(rsMeta.getColumnName(18), "IS_NULLABLE");
+                assertEquals(rsMeta.getColumnType(18), Types.VARCHAR);
+
+                assertTrue(rs.next());
+                assertEquals(rs.getInt("NULLABLE"), DatabaseMetaData.columnNullable);
+                assertEquals(rs.getString("IS_NULLABLE"), "YES");
+                assertTrue(rs.next());
+                assertEquals(rs.getInt("NULLABLE"), DatabaseMetaData.columnNoNulls);
+                assertEquals(rs.getString("IS_NULLABLE"), "NO");
+                assertFalse(rs.next());
+            }
+        }
+    }
 }