diff --git a/pkg/sql2pgroll/create_table.go b/pkg/sql2pgroll/create_table.go
index 01be619d..bfbee236 100644
--- a/pkg/sql2pgroll/create_table.go
+++ b/pkg/sql2pgroll/create_table.go
@@ -139,9 +139,11 @@ func convertColumnDef(tableName string, col *pgq.ColumnDef) (*migrations.Column,
 			if foreignKey == nil {
 				return nil, nil
 			}
-		case pgq.ConstrType_CONSTR_ATTR_NOT_DEFERRABLE:
-			// NOT DEFERRABLE constraints are the default and are supported, but no
-			// extra annotation is needed
+		case
+			pgq.ConstrType_CONSTR_ATTR_NOT_DEFERRABLE,
+			pgq.ConstrType_CONSTR_ATTR_IMMEDIATE:
+			// NOT DEFERRABLE and INITIALLY IMMEDIATE constraints are the default and
+			// are supported, but no extra annotation is needed
 			continue
 		case pgq.ConstrType_CONSTR_GENERATED:
 			// Generated columns are not supported
@@ -152,9 +154,6 @@ func convertColumnDef(tableName string, col *pgq.ColumnDef) (*migrations.Column,
 		case pgq.ConstrType_CONSTR_ATTR_DEFERRABLE:
 			// Deferrable constraints are not supported
 			return nil, nil
-		case pgq.ConstrType_CONSTR_ATTR_IMMEDIATE:
-			// Initially immediate deferred constraints are not supported
-			return nil, nil
 		case pgq.ConstrType_CONSTR_ATTR_DEFERRED:
 			// Initially deferred deferred constraints are not supported
 			return nil, nil
diff --git a/pkg/sql2pgroll/create_table_test.go b/pkg/sql2pgroll/create_table_test.go
index f7235c3c..05963bdc 100644
--- a/pkg/sql2pgroll/create_table_test.go
+++ b/pkg/sql2pgroll/create_table_test.go
@@ -44,6 +44,10 @@ func TestConvertCreateTableStatements(t *testing.T) {
 			sql:        "CREATE TABLE foo(a int UNIQUE NOT DEFERRABLE)",
 			expectedOp: expect.CreateTableOp5,
 		},
+		{
+			sql:        "CREATE TABLE foo(a int UNIQUE INITIALLY IMMEDIATE)",
+			expectedOp: expect.CreateTableOp5,
+		},
 		{
 			sql:        "CREATE TABLE foo(a int PRIMARY KEY)",
 			expectedOp: expect.CreateTableOp6,
@@ -52,6 +56,10 @@ func TestConvertCreateTableStatements(t *testing.T) {
 			sql:        "CREATE TABLE foo(a int PRIMARY KEY NOT DEFERRABLE)",
 			expectedOp: expect.CreateTableOp6,
 		},
+		{
+			sql:        "CREATE TABLE foo(a int PRIMARY KEY INITIALLY IMMEDIATE)",
+			expectedOp: expect.CreateTableOp6,
+		},
 		{
 			sql:        "CREATE TABLE foo(a int CHECK (a > 0))",
 			expectedOp: expect.CreateTableOp10,
@@ -64,6 +72,10 @@ func TestConvertCreateTableStatements(t *testing.T) {
 			sql:        "CREATE TABLE foo(a int REFERENCES bar(b) NOT DEFERRABLE)",
 			expectedOp: expect.CreateTableOp12,
 		},
+		{
+			sql:        "CREATE TABLE foo(a int REFERENCES bar(b) INITIALLY IMMEDIATE)",
+			expectedOp: expect.CreateTableOp12,
+		},
 		{
 			sql:        "CREATE TABLE foo(a int REFERENCES bar(b) ON UPDATE NO ACTION)",
 			expectedOp: expect.CreateTableOp12,