diff --git a/lib/debezium/converters/bit.go b/lib/debezium/converters/bit.go
index 13fed317..1225c0cb 100644
--- a/lib/debezium/converters/bit.go
+++ b/lib/debezium/converters/bit.go
@@ -16,10 +16,18 @@ type BitConverter struct {
 	charMaxLength int
 }
 
-func (BitConverter) ToField(name string) debezium.Field {
-	return debezium.Field{
-		FieldName: name,
-		Type:      debezium.Boolean,
+func (b BitConverter) ToField(name string) debezium.Field {
+	switch b.charMaxLength {
+	case 1:
+		return debezium.Field{
+			FieldName: name,
+			Type:      debezium.Boolean,
+		}
+	default:
+		return debezium.Field{
+			FieldName: name,
+			Type:      debezium.String,
+		}
 	}
 }
 
diff --git a/lib/debezium/converters/bit_test.go b/lib/debezium/converters/bit_test.go
index 35db1495..40c99fad 100644
--- a/lib/debezium/converters/bit_test.go
+++ b/lib/debezium/converters/bit_test.go
@@ -5,6 +5,27 @@ import (
 	"testing"
 )
 
+func TestBitConverter_ToField(t *testing.T) {
+	{
+		// char size not specified
+		field := NewBitConverter(0).ToField("foo")
+		assert.Equal(t, "foo", field.FieldName)
+		assert.Equal(t, "string", string(field.Type))
+	}
+	{
+		// char max size 1
+		field := NewBitConverter(1).ToField("foo")
+		assert.Equal(t, "foo", field.FieldName)
+		assert.Equal(t, "boolean", string(field.Type))
+	}
+	{
+		// char max size 5
+		field := NewBitConverter(5).ToField("foo")
+		assert.Equal(t, "foo", field.FieldName)
+		assert.Equal(t, "string", string(field.Type))
+	}
+}
+
 func TestBitConverter_Convert(t *testing.T) {
 	{
 		// char size not specified