diff --git a/translators/postgres.go b/translators/postgres.go
index 60d5152..3d13ae1 100644
--- a/translators/postgres.go
+++ b/translators/postgres.go
@@ -191,7 +191,7 @@ func (p *Postgres) buildChangeColumn(c fizz.Column) string {
 	s := fmt.Sprintf("\"%s\" TYPE %s", c.Name, p.colType(c))
 
 	var sets []string
-	if c.Options["null"] == nil {
+	if c.Options["null"] == nil || c.Options["null"] == false {
 		sets = append(sets, fmt.Sprintf("ALTER COLUMN \"%s\" SET NOT NULL", c.Name))
 	} else {
 		sets = append(sets, fmt.Sprintf("ALTER COLUMN \"%s\" DROP NOT NULL", c.Name))
diff --git a/translators/postgres_test.go b/translators/postgres_test.go
index afd44df..110e2d0 100644
--- a/translators/postgres_test.go
+++ b/translators/postgres_test.go
@@ -207,6 +207,24 @@ func (p *PostgreSQLSuite) Test_Postgres_ChangeColumn() {
 	r.Equal(ddl, res)
 }
 
+func (p *PostgreSQLSuite) Test_Postgres_ChangeColumn_NullFalse() {
+	r := p.Require()
+	ddl := `ALTER TABLE "posts" ALTER COLUMN "destination_id" TYPE integer, ALTER COLUMN "destination_id" SET NOT NULL;`
+
+	res, _ := fizz.AString(`change_column("posts", "destination_id", "integer", {"null": false})`, pgt)
+
+	r.Equal(ddl, res)
+}
+
+func (p *PostgreSQLSuite) Test_Postgres_ChangeColumn_NullTrue() {
+	r := p.Require()
+	ddl := `ALTER TABLE "posts" ALTER COLUMN "destination_id" TYPE integer, ALTER COLUMN "destination_id" DROP NOT NULL;`
+
+	res, _ := fizz.AString(`change_column("posts", "destination_id", "integer", {"null": true})`, pgt)
+
+	r.Equal(ddl, res)
+}
+
 func (p *PostgreSQLSuite) Test_Postgres_AddColumn() {
 	r := p.Require()
 	ddl := `ALTER TABLE "mytable" ADD COLUMN "mycolumn" VARCHAR (50) NOT NULL DEFAULT 'foo';`