diff --git a/core/schema.rs b/core/schema.rs
index 90c511bfb..c5b0cfb7e 100644
--- a/core/schema.rs
+++ b/core/schema.rs
@@ -931,8 +931,10 @@ fn create_table(
                                 order = o;
                             }
                         }
-                        turso_sqlite3_parser::ast::ColumnConstraint::NotNull { .. } => {
-                            notnull = true;
+                        turso_sqlite3_parser::ast::ColumnConstraint::NotNull {
+                            nullable, ..
+                        } => {
+                            notnull = !nullable;
                         }
                         turso_sqlite3_parser::ast::ColumnConstraint::Default(expr) => {
                             default = Some(expr)
diff --git a/testing/insert.test b/testing/insert.test
index ff5bf286a..70c1c49bd 100755
--- a/testing/insert.test
+++ b/testing/insert.test
@@ -516,6 +516,12 @@ do_execsql_test_on_specific_db {:memory:} insert-explicit-rowid-with-rowidalias
 8|6|8|5
 12|10|12|9}
 
+do_execsql_test_on_specific_db {:memory:} null-value-insert-null-type-column {
+    CREATE TABLE test (id INTEGER,name NULL);
+    INSERT INTO test (id, name) VALUES (1, NULL);
+    SELECT * FROM test;
+} {1|}
+
 do_execsql_test_in_memory_error_content insert-explicit-rowid-conflict {
     create table t (x);
     insert into t(rowid, x) values (1, 1);
@@ -595,3 +601,8 @@ do_catchsql_test unknown-backtick-identifier-in-values-clause {
   CREATE TABLE tt (x);
   INSERT INTO tt VALUES(`asdf`);
 } {1 {no such column: `asdf`}}
+
+do_execsql_test_in_memory_error_content  null-insert-in-nulltype-column-notnull-constraint {
+    CREATE TABLE test (id INTEGER,name NULL NOT NULL);
+    INSERT INTO test (id, name) VALUES (1, NULL);
+} {NOT NULL constraint failed}
\ No newline at end of file