diff --git a/util.go b/util.go
index fa8ed1d..b8eb9fb 100644
--- a/util.go
+++ b/util.go
@@ -11,7 +11,17 @@ func StringifyKeys(m map[interface{}]interface{}) (out map[string]interface{}) {
 	out = map[string]interface{}{}
 
 	for k, v := range m {
-		if x, ok := v.(map[interface{}]interface{}); ok {
+		switch x := v.(type) {
+		case []interface{}:
+			newSlice := []interface{}{}
+			for _, sliceEntry := range x {
+				if subMap, ok := sliceEntry.(map[interface{}]interface{}); ok {
+					sliceEntry = StringifyKeys(subMap)
+				}
+				newSlice = append(newSlice, sliceEntry)
+			}
+			v = newSlice
+		case map[interface{}]interface{}:
 			v = StringifyKeys(x)
 		}
 
diff --git a/util_test.go b/util_test.go
index 442188b..a9f9e5e 100644
--- a/util_test.go
+++ b/util_test.go
@@ -53,3 +53,31 @@ func TestStringifyKeysOnMapWithEntriesRecursively(t *testing.T) {
 		t.Errorf("Expected:\n  %#+v\nGot:\n  %#+v", expected, result)
 	}
 }
+
+func TestStringifyKeysOnMapRecursivelyMovesThroughSlices(t *testing.T) {
+	m := map[interface{}]interface{}{
+		"foo": []interface{}{
+			map[interface{}]interface{}{
+				"foo": "bar",
+				"baz": 123,
+			},
+			123,
+		},
+		"baz": 123,
+	}
+	result := phpserialize.StringifyKeys(m)
+	expected := map[string]interface{}{
+		"foo": []interface{}{
+			map[string]interface{}{
+				"foo": "bar",
+				"baz": 123,
+			},
+			123,
+		},
+		"baz": 123,
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Errorf("Expected:\n  %#+v\nGot:\n  %#+v", expected, result)
+	}
+}