diff --git a/CarpetX/configuration.ccl b/CarpetX/configuration.ccl
index 740aefab3..41757ba75 100644
--- a/CarpetX/configuration.ccl
+++ b/CarpetX/configuration.ccl
@@ -2,7 +2,7 @@
 
 REQUIRES AMReX IOUtil MPI yaml_cpp zlib
 
-REQUIRES Arith Loop CarpetXRegrid
+REQUIRES Arith CarpetXRegrid Loop
 
 OPTIONAL ADIOS2
 {