diff --git a/pkg/quickwit/response_parser.go b/pkg/quickwit/response_parser.go
index 57daa65..d3e0892 100644
--- a/pkg/quickwit/response_parser.go
+++ b/pkg/quickwit/response_parser.go
@@ -1054,6 +1054,7 @@ func flatten(target map[string]interface{}) map[string]interface{} {
 			if shouldStepInside {
 				currentDepth++
 				step(v, newKey)
+				currentDepth--
 			} else {
 				output[newKey] = value
 			}
diff --git a/pkg/quickwit/response_parser_test.go b/pkg/quickwit/response_parser_test.go
index bbdf1ea..2fe1c79 100644
--- a/pkg/quickwit/response_parser_test.go
+++ b/pkg/quickwit/response_parser_test.go
@@ -3166,11 +3166,17 @@ func TestFlatten(t *testing.T) {
 					},
 				},
 			},
+			"other": map[string]interface{}{
+				"nested1": map[string]interface{}{
+					"nested2": "def",
+				},
+			},
 		}
 
 		flattened := flatten(obj)
-		require.Len(t, flattened, 1)
+		require.Len(t, flattened, 2)
 		require.Equal(t, map[string]interface{}{"nested11": map[string]interface{}{"nested12": "abc"}}, flattened["nested0.nested1.nested2.nested3.nested4.nested5.nested6.nested7.nested8.nested9.nested10"])
+		require.Equal(t, "def", flattened["other.nested1.nested2"])
 	})
 }