diff --git a/examples/std/map.go b/examples/std/map.go
index c8b41c325f..42f2115c86 100644
--- a/examples/std/map.go
+++ b/examples/std/map.go
@@ -19,6 +19,7 @@ package std
 
 import (
 	"fmt"
+
 	"github.com/ClickHouse/clickhouse-go/v2"
 )
 
@@ -33,7 +34,7 @@ func MapInsertRead() error {
 			, Col2 Map(String, UInt64)
 			, Col3 Map(String, UInt64)
 			, Col4 Array(Map(String, String))
-			, Col5 Map(LowCardinality(String), LowCardinality(UInt64))
+			, Col5 Map(LowCardinality(String), LowCardinality(String))
 		) Engine Memory
 		`
 	conn.Exec("DROP TABLE example")
@@ -65,9 +66,9 @@ func MapInsertRead() error {
 			{"A": "B"},
 			{"C": "D"},
 		}
-		col5Data = map[string]uint64{
-			"key_col_5_1": 100,
-			"key_col_5_2": 200,
+		col5Data = map[string]string{
+			"key_col_5_1": "100",
+			"key_col_5_2": "200",
 		}
 	)
 	if _, err := batch.Exec(col1Data, col2Data, col3Data, col4Data, col5Data); err != nil {
@@ -81,7 +82,7 @@ func MapInsertRead() error {
 		col2 map[string]uint64
 		col3 map[string]uint64
 		col4 []map[string]string
-		col5 map[string]uint64
+		col5 map[string]string
 	)
 	if err := conn.QueryRow("SELECT * FROM example").Scan(&col1, &col2, &col3, &col4, &col5); err != nil {
 		return err
diff --git a/tests/issues/692_test.go b/tests/issues/692_test.go
index e20966a441..445ce01c43 100644
--- a/tests/issues/692_test.go
+++ b/tests/issues/692_test.go
@@ -48,7 +48,7 @@ func TestIssue692(t *testing.T) {
 			, Col2 Map(String, UInt64)
 			, Col3 Map(String, UInt64)
 			, Col4 Array(Map(String, String))
-			, Col5 Map(LowCardinality(String), LowCardinality(UInt64))
+			, Col5 Map(LowCardinality(String), LowCardinality(String))
 			, Col6 Map(String, Map(String, Int64))
 		) Engine MergeTree() ORDER BY tuple()
 		`
@@ -77,9 +77,9 @@ func TestIssue692(t *testing.T) {
 			{"A": "B"},
 			{"C": "D"},
 		}
-		col5Data = map[string]uint64{
-			"key_col_5_1": 100,
-			"key_col_5_2": 200,
+		col5Data = map[string]string{
+			"key_col_5_1": "100",
+			"key_col_5_2": "200",
 		}
 		col6Data = map[string]map[string]int64{}
 	)
@@ -91,7 +91,7 @@ func TestIssue692(t *testing.T) {
 		col2 map[string]uint64
 		col3 map[string]uint64
 		col4 []map[string]string
-		col5 map[string]uint64
+		col5 map[string]string
 		col6 map[string]map[string]int64
 	)
 	require.NoError(t, conn.QueryRow("SELECT Col1, Col2, Col3, Col4, Col5, Col6 FROM test_map").Scan(&col1, &col2, &col3, &col4, &col5, &col6))
diff --git a/tests/map_test.go b/tests/map_test.go
index b5c373d36f..7c1febb24f 100644
--- a/tests/map_test.go
+++ b/tests/map_test.go
@@ -48,7 +48,7 @@ func TestMap(t *testing.T) {
 			, Col2 Map(String, UInt64)
 			, Col3 Map(String, UInt64)
 			, Col4 Array(Map(String, String))
-			, Col5 Map(LowCardinality(String), LowCardinality(UInt64))
+			, Col5 Map(LowCardinality(String), LowCardinality(String))
 			, Col6 Map(String, Map(String,UInt64))
 		) Engine MergeTree() ORDER BY tuple()
 		`
@@ -72,9 +72,9 @@ func TestMap(t *testing.T) {
 			map[string]string{"A": "B"},
 			map[string]string{"C": "D"},
 		}
-		col5Data = map[string]uint64{
-			"key_col_5_1": 100,
-			"key_col_5_2": 200,
+		col5Data = map[string]string{
+			"key_col_5_1": "100",
+			"key_col_5_2": "200",
 		}
 		col6Data = map[string]map[string]uint64{
 			"key_col_6_1": {
@@ -95,7 +95,7 @@ func TestMap(t *testing.T) {
 		col2 map[string]uint64
 		col3 map[string]uint64
 		col4 []map[string]string
-		col5 map[string]uint64
+		col5 map[string]string
 		col6 map[string]map[string]uint64
 	)
 	require.NoError(t, conn.QueryRow(ctx, "SELECT * FROM test_map").Scan(&col1, &col2, &col3, &col4, &col5, &col6))
diff --git a/tests/std/map_test.go b/tests/std/map_test.go
index 26a4b12e43..56a2dbda0e 100644
--- a/tests/std/map_test.go
+++ b/tests/std/map_test.go
@@ -50,7 +50,7 @@ func TestStdMap(t *testing.T) {
 			, Col2 Map(String, UInt64)
 			, Col3 Map(String, UInt64)
 			, Col4 Array(Map(String, String))
-			, Col5 Map(LowCardinality(String), LowCardinality(UInt64))
+			, Col5 Map(LowCardinality(String), LowCardinality(String))
 		) Engine MergeTree() ORDER BY tuple()
 		`
 			defer func() {
@@ -76,9 +76,9 @@ func TestStdMap(t *testing.T) {
 					map[string]string{"A": "B"},
 					map[string]string{"C": "D"},
 				}
-				col5Data = map[string]uint64{
-					"key_col_5_1": 100,
-					"key_col_5_2": 200,
+				col5Data = map[string]string{
+					"key_col_5_1": "100",
+					"key_col_5_2": "200",
 				}
 			)
 			_, err = batch.Exec(col1Data, col2Data, col3Data, col4Data, col5Data)
@@ -89,7 +89,7 @@ func TestStdMap(t *testing.T) {
 				col2 map[string]uint64
 				col3 map[string]uint64
 				col4 []map[string]string
-				col5 map[string]uint64
+				col5 map[string]string
 			)
 			require.NoError(t, conn.QueryRow("SELECT * FROM test_map").Scan(&col1, &col2, &col3, &col4, &col5))
 			assert.Equal(t, col1Data, col1)