diff --git a/dialect_mysql.go b/dialect_mysql.go
index 5dda6f5d..af4dd3b2 100644
--- a/dialect_mysql.go
+++ b/dialect_mysql.go
@@ -157,9 +157,10 @@ func (m *mysql) FizzTranslator() fizz.Translator {
 
 func (m *mysql) DumpSchema(w io.Writer) error {
 	deets := m.Details()
-	cmd := exec.Command("mysqldump", "-d", "-h", deets.Host, "-P", deets.Port, "-u", deets.User, fmt.Sprintf("--password=%s", deets.Password), deets.Database)
+	// Github CI is currently using mysql:5.7 but the mysqldump version doesn't seem to match
+	cmd := exec.Command("mysqldump", "--column-statistics=0", "-d", "-h", deets.Host, "-P", deets.Port, "-u", deets.User, fmt.Sprintf("--password=%s", deets.Password), deets.Database)
 	if deets.Port == "socket" {
-		cmd = exec.Command("mysqldump", "-d", "-S", deets.Host, "-u", deets.User, fmt.Sprintf("--password=%s", deets.Password), deets.Database)
+		cmd = exec.Command("mysqldump", "--column-statistics=0", "-d", "-S", deets.Host, "-u", deets.User, fmt.Sprintf("--password=%s", deets.Password), deets.Database)
 	}
 	return genericDumpSchema(deets, cmd, w)
 }
diff --git a/slices/map.go b/slices/map.go
index c99e8a13..7f04eeee 100644
--- a/slices/map.go
+++ b/slices/map.go
@@ -19,6 +19,8 @@ func (m Map) Interface() interface{} {
 func (m *Map) Scan(src interface{}) error {
 	var b []byte
 	switch t := src.(type) {
+	case nil:
+		return nil
 	case []byte:
 		b = t
 	case string:
diff --git a/slices/map_test.go b/slices/map_test.go
index 265d9940..f18dc418 100644
--- a/slices/map_test.go
+++ b/slices/map_test.go
@@ -35,3 +35,18 @@ func Test_Map_UnMarshalJSON_uninitialized_map_does_not_panic(t *testing.T) {
 		r.Len(maps, 1)
 	})
 }
+
+func Test_Map_Scan(t *testing.T) {
+	r := require.New(t)
+	in := []byte(`{"a":"b"}`)
+	m := Map{}
+	r.NoError(m.Scan(in))
+	r.Equal("b", m["a"])
+}
+
+func Test_Map_Null_Scan(t *testing.T) {
+	r := require.New(t)
+	m := Map{}
+	r.NoError(m.Scan(nil))
+	r.Equal(Map{}, m)
+}