diff --git a/commands_test.go b/commands_test.go
index 6f682abc..5e09a3da 100644
--- a/commands_test.go
+++ b/commands_test.go
@@ -806,6 +806,46 @@ func TestWriteCmd_SplatArray(t *testing.T) {
 	assertResult(t, expectedOutput, result.Output)
 }
 
+func TestWriteCmd_SplatMap(t *testing.T) {
+	content := `b:
+  c: thing
+  d: another thing
+`
+	filename := writeTempYamlFile(content)
+	defer removeTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := runCmd(cmd, fmt.Sprintf("write -v %s b.* new", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	expectedOutput := `b:
+  c: new
+  d: new
+`
+	assertResult(t, expectedOutput, result.Output)
+}
+
+func TestWriteCmd_SplatMapEmpty(t *testing.T) {
+	content := `b:
+  c: thing
+  d: another thing
+`
+	filename := writeTempYamlFile(content)
+	defer removeTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := runCmd(cmd, fmt.Sprintf("write -v %s b.c.* new", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	expectedOutput := `b:
+  c: thing
+  d: another thing
+`
+	assertResult(t, expectedOutput, result.Output)
+}
+
 func TestDeleteYaml(t *testing.T) {
 	content := `a: 2
 b:
diff --git a/data_navigator.go b/data_navigator.go
index cb520dd5..d4548e6c 100644
--- a/data_navigator.go
+++ b/data_navigator.go
@@ -8,14 +8,15 @@ import (
 	yaml "gopkg.in/mikefarah/yaml.v2"
 )
 
-func entryInSlice(context yaml.MapSlice, key interface{}) *yaml.MapItem {
+func entriesInSlice(context yaml.MapSlice, key interface{}) []*yaml.MapItem {
+	var matches = make([]*yaml.MapItem, 0)
 	for idx := range context {
 		var entry = &context[idx]
-		if fmt.Sprintf("%v", entry.Key) == key {
-			return entry
+		if key == "*" || fmt.Sprintf("%v", entry.Key) == key {
+			matches = append(matches, entry)
 		}
 	}
-	return nil
+	return matches
 }
 
 func getMapSlice(context interface{}) yaml.MapSlice {
@@ -41,27 +42,33 @@ func getArray(context interface{}) (array []interface{}, ok bool) {
 	return
 }
 
-func writeMap(context interface{}, paths []string, value interface{}) yaml.MapSlice {
+func writeMap(context interface{}, paths []string, value interface{}) interface{} {
 	log.Debugf("writeMap with path %v for %v to set value %v\n", paths, context, value)
 
 	mapSlice := getMapSlice(context)
 
 	if len(paths) == 0 {
-		return mapSlice
+		return context
 	}
 
-	child := entryInSlice(mapSlice, paths[0])
-	if child == nil {
+	children := entriesInSlice(mapSlice, paths[0])
+
+	if len(children) == 0 && paths[0] == "*" {
+		log.Debugf("\tNo matches, return map as is")
+		return context
+	}
+
+	if len(children) == 0 {
 		newChild := yaml.MapItem{Key: paths[0]}
 		mapSlice = append(mapSlice, newChild)
-		child = entryInSlice(mapSlice, paths[0])
+		children = entriesInSlice(mapSlice, paths[0])
 		log.Debugf("\tAppended child at %v for mapSlice %v\n", paths[0], mapSlice)
 	}
 
-	log.Debugf("\tchild.Value %v\n", child.Value)
-
 	remainingPaths := paths[1:]
-	child.Value = updatedChildValue(child.Value, remainingPaths, value)
+	for _, child := range children {
+		child.Value = updatedChildValue(child.Value, remainingPaths, value)
+	}
 	log.Debugf("\tReturning mapSlice %v\n", mapSlice)
 	return mapSlice
 }
@@ -131,13 +138,24 @@ func readMap(context yaml.MapSlice, head string, tail []string) (interface{}, er
 	if head == "*" {
 		return readMapSplat(context, tail)
 	}
-	var value interface{}
 
-	entry := entryInSlice(context, head)
-	if entry != nil {
-		value = entry.Value
+	entries := entriesInSlice(context, head)
+	if len(entries) == 1 {
+		return calculateValue(entries[0].Value, tail)
+	} else if len(entries) == 0 {
+		return nil, nil
 	}
-	return calculateValue(value, tail)
+	var errInIdx error
+	values := make([]interface{}, len(entries))
+	for idx, entry := range entries {
+		values[idx], errInIdx = calculateValue(entry.Value, tail)
+		if errInIdx != nil {
+			log.Errorf("Error updating index %v in %v", idx, context)
+			return nil, errInIdx
+		}
+
+	}
+	return values, nil
 }
 
 func readMapSplat(context yaml.MapSlice, tail []string) (interface{}, error) {
diff --git a/data_navigator_test.go b/data_navigator_test.go
index fd41937f..f14d561f 100644
--- a/data_navigator_test.go
+++ b/data_navigator_test.go
@@ -4,8 +4,6 @@ import (
 	"fmt"
 	"sort"
 	"testing"
-
-	yaml "gopkg.in/mikefarah/yaml.v2"
 )
 
 func TestReadMap_simple(t *testing.T) {
@@ -189,8 +187,7 @@ func TestWrite_really_simple(t *testing.T) {
 `)
 
 	updated := writeMap(data, []string{"b"}, "4")
-	b := entryInSlice(updated, "b").Value
-	assertResult(t, "4", b)
+	assertResult(t, "[{b 4}]", fmt.Sprintf("%v", updated))
 }
 
 func TestWrite_simple(t *testing.T) {
@@ -200,9 +197,7 @@ b:
 `)
 
 	updated := writeMap(data, []string{"b", "c"}, "4")
-	b := entryInSlice(updated, "b").Value.(yaml.MapSlice)
-	c := entryInSlice(b, "c").Value
-	assertResult(t, "4", c)
+	assertResult(t, "[{b [{c 4}]}]", fmt.Sprintf("%v", updated))
 }
 
 func TestWrite_new(t *testing.T) {
@@ -212,9 +207,7 @@ b:
 `)
 
 	updated := writeMap(data, []string{"b", "d"}, "4")
-	b := entryInSlice(updated, "b").Value.(yaml.MapSlice)
-	d := entryInSlice(b, "d").Value
-	assertResult(t, "4", d)
+	assertResult(t, "[{b [{c 2} {d 4}]}]", fmt.Sprintf("%v", updated))
 }
 
 func TestWrite_new_deep(t *testing.T) {
@@ -224,8 +217,7 @@ b:
 `)
 
 	updated := writeMap(data, []string{"b", "d", "f"}, "4")
-	got, _ := readMap(updated, "b", []string{"d", "f"})
-	assertResult(t, "4", got)
+	assertResult(t, "[{b [{c 2} {d [{f 4}]}]}]", fmt.Sprintf("%v", updated))
 }
 
 func TestWrite_array(t *testing.T) {
@@ -236,8 +228,7 @@ b:
 
 	updated := writeMap(data, []string{"b", "0"}, "bb")
 
-	b := entryInSlice(updated, "b").Value.([]interface{})
-	assertResult(t, "bb", b[0].(string))
+	assertResult(t, "[{b [bb]}]", fmt.Sprintf("%v", updated))
 }
 
 func TestWrite_new_array(t *testing.T) {
@@ -247,8 +238,7 @@ b:
 `)
 
 	updated := writeMap(data, []string{"b", "0"}, "4")
-	got, _ := readMap(updated, "b", []string{"0"})
-	assertResult(t, "4", got)
+	assertResult(t, "[{b [{c 2} {0 4}]}]", fmt.Sprintf("%v", updated))
 }
 
 func TestWrite_new_array_deep(t *testing.T) {
@@ -270,10 +260,14 @@ func TestWrite_new_map_array_deep(t *testing.T) {
 b:
   c: 2
 `)
+	var expected = `b:
+  c: 2
+  d:
+  - "4"`
 
 	updated := writeMap(data, []string{"b", "d", "0"}, "4")
-	got, _ := readMap(updated, "b", []string{"d", "0"})
-	assertResult(t, "4", got)
+	got, _ := yamlToString(updated)
+	assertResult(t, expected, got)
 }
 
 func TestWrite_add_to_array(t *testing.T) {
@@ -298,8 +292,7 @@ b:
 `)
 	updated := writeMap(data, []string{"b"}, "4")
 
-	b := entryInSlice(updated, "b").Value
-	assertResult(t, "4", fmt.Sprintf("%v", b))
+	assertResult(t, "[{b 4}]", fmt.Sprintf("%v", updated))
 }
 
 func TestWriteMap_no_paths(t *testing.T) {
diff --git a/examples/numbered_keys.yml b/examples/numbered_keys.yml
new file mode 100644
index 00000000..9a15c7ee
--- /dev/null
+++ b/examples/numbered_keys.yml
@@ -0,0 +1,2 @@
+5:
+  6: camel!
\ No newline at end of file