diff --git a/tests/reference/6_0_4/sub-sheet.kicad_sch b/tests/reference/6_0_4/sub-sheet.kicad_sch
index 8cec6e90..5ebb5f66 100644
--- a/tests/reference/6_0_4/sub-sheet.kicad_sch
+++ b/tests/reference/6_0_4/sub-sheet.kicad_sch
@@ -499,7 +499,7 @@
   (symbol (lib_id "power:VCC") (at 139.7 76.2 0) (unit 1)
     (in_bom yes) (on_board yes)
     (uuid 00000000-0000-0000-0000-00005f34bc05)
-    (property "Reference" "#PWR?" (id 0) (at 139.7 80.01 0)
+    (property "Reference" "#PWR01" (id 0) (at 139.7 80.01 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (property "Value" "VCC" (id 1) (at 140.081 71.8058 0))
@@ -515,7 +515,7 @@
   (symbol (lib_id "power:GND") (at 139.7 101.6 0) (unit 1)
     (in_bom yes) (on_board yes)
     (uuid 00000000-0000-0000-0000-00005f34c535)
-    (property "Reference" "#PWR?" (id 0) (at 139.7 107.95 0)
+    (property "Reference" "#PWR02" (id 0) (at 139.7 107.95 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (property "Value" "GND" (id 1) (at 139.827 105.9942 0))