1 files changed, 3 insertions, 3 deletions
diff --git a/lib/stdlib/src/erl_expand_records.erl b/lib/stdlib/src/erl_expand_records.erl
index f53c6e1278..57e768ba9d 100644
--- a/lib/stdlib/src/erl_expand_records.erl
+++ b/lib/stdlib/src/erl_expand_records.erl
@@ -135,10 +135,10 @@ pattern({tuple,Line,Ps}, St0) ->
 pattern({map,Line,Ps}, St0) ->
     {TPs,St1} = pattern_list(Ps, St0),
     {{map,Line,TPs},St1};
-pattern({map_field_exact,Line,Key0,V0}, St0) ->
-    {Key,St1} = pattern(Key0, St0),
+pattern({map_field_exact,Line,K0,V0}, St0) ->
+    {K,St1} = expr(K0, St0),
     {V,St2} = pattern(V0, St1),
-    {{map_field_exact,Line,Key,V},St2};
+    {{map_field_exact,Line,K,V},St2};
 %%pattern({struct,Line,Tag,Ps}, St0) ->
 %%    {TPs,TPsvs,St1} = pattern_list(Ps, St0),
 %%    {{struct,Line,Tag,TPs},TPsvs,St1};