diff --git a/TwoPunctures/interface.ccl b/TwoPunctures/interface.ccl
index dc7a084b..f2236f14 100644
--- a/TwoPunctures/interface.ccl
+++ b/TwoPunctures/interface.ccl
@@ -2,7 +2,7 @@
 
 IMPLEMENTS: TwoPunctures
 
-INHERITS: ADMBaseX Coordinates
+INHERITS: ADMBaseX CoordinatesX
 
 USES INCLUDE HEADER: loopcontrol.h
 
diff --git a/TwoPunctures/schedule.ccl b/TwoPunctures/schedule.ccl
index 987ec767..c005da75 100644
--- a/TwoPunctures/schedule.ccl
+++ b/TwoPunctures/schedule.ccl
@@ -22,7 +22,7 @@ if (CCTK_Equals(initial_data, "twopunctures"))
     LANG: C
     STORAGE: puncture_u
     # TODO: these WRITES are conditional on parameters
-    READS: Coordinates::vertex_coords(everywhere)
+    READS: CoordinatesX::vertex_coords(everywhere)
     WRITES: ADMBaseX::metric(everywhere)
     WRITES: ADMBaseX::curv(everywhere)
     WRITES: ADMBaseX::lapse(everywhere)