diff --git a/datafusion/functions-nested/src/map_extract.rs b/datafusion/functions-nested/src/map_extract.rs
index 1c46bf5e81337..aab0d013a4152 100644
--- a/datafusion/functions-nested/src/map_extract.rs
+++ b/datafusion/functions-nested/src/map_extract.rs
@@ -57,6 +57,11 @@ SELECT map_extract(MAP {1: 'one', 2: 'two'}, 2);
 
 SELECT map_extract(MAP {'x': 10, 'y': NULL, 'z': 30}, 'y');
 ----
+[NULL]
+
+-- non-existing key
+SELECT map_extract(MAP {'x': 10, 'y': NULL, 'z': 30}, 'a');
+----
 []
 ```"#,
     argument(
diff --git a/docs/source/user-guide/sql/scalar_functions.md b/docs/source/user-guide/sql/scalar_functions.md
index c303b43fc8844..20b3e8d7c84ab 100644
--- a/docs/source/user-guide/sql/scalar_functions.md
+++ b/docs/source/user-guide/sql/scalar_functions.md
@@ -5006,6 +5006,11 @@ SELECT map_extract(MAP {1: 'one', 2: 'two'}, 2);
 
 SELECT map_extract(MAP {'x': 10, 'y': NULL, 'z': 30}, 'y');
 ----
+[NULL]
+
+-- non-existing key
+SELECT map_extract(MAP {'x': 10, 'y': NULL, 'z': 30}, 'a');
+----
 []
 ```