diff --git a/TestNewRadX/interface.ccl b/TestNewRadX/interface.ccl
index 16e338e2..46e6394f 100644
--- a/TestNewRadX/interface.ccl
+++ b/TestNewRadX/interface.ccl
@@ -2,7 +2,7 @@
 
 IMPLEMENTS: TestNewRadX
 
-INHERITS: CarpetX
+INHERITS: CarpetXRegrid
 
 USES INCLUDE HEADER: loop_device.hxx
 USES INCLUDE HEADER: newradx.hxx
diff --git a/TestNewRadX/schedule.ccl b/TestNewRadX/schedule.ccl
index 0bc7a0df..931ea94c 100644
--- a/TestNewRadX/schedule.ccl
+++ b/TestNewRadX/schedule.ccl
@@ -13,14 +13,14 @@ SCHEDULE TestNewRadX_EstimateError AT postinitial
 {
   LANG: C
   READS: state(everywhere)
-  WRITES: CarpetX::regrid_error(interior)
+  WRITES: CarpetXRegrid::regrid_error(interior)
 } "Estimate error for regridding"
 
 SCHEDULE TestNewRadX_EstimateError AT poststep
 {
   LANG: C
   READS: state(everywhere)
-  WRITES: CarpetX::regrid_error(interior)
+  WRITES: CarpetXRegrid::regrid_error(interior)
 } "Estimate error for regridding"
 
 SCHEDULE TestNewRadX_RHS IN ODESolvers_RHS
diff --git a/scripts/spacetimex.th b/scripts/spacetimex.th
index 24c8d8c5..11cfe2a4 100644
--- a/scripts/spacetimex.th
+++ b/scripts/spacetimex.th
@@ -152,6 +152,7 @@ CarpetX/Algo
 CarpetX/Arith
 CarpetX/BoxInBox
 CarpetX/CarpetX
+CarpetX/CarpetXRegrid
 CarpetX/CoordinatesX
 CarpetX/Derivs
 CarpetX/ErrorEstimator