1 files changed, 6 insertions, 1 deletions
diff --git a/src/qms.c b/src/qms.c
index 54cd657..839f16d 100644
--- a/src/qms.c
+++ b/src/qms.c
@@ -353,7 +353,7 @@ void quasimaximal_slicing_axi_eval(CCTK_ARGUMENTS)
 
     int64_t expand_start;
 
-    double *coeffs = NULL;
+    double *coeffs = NULL, *W;
     int i, ret;
 
     if (!qms_context)
@@ -393,6 +393,11 @@ void quasimaximal_slicing_axi_eval(CCTK_ARGUMENTS)
     }
 #endif
 
+    if (ccz4)
+        W = CCTK_VarDataPtr(cctkGH, 0, "ML_CCZ4::W");
+    else
+        W = CCTK_VarDataPtr(cctkGH, 0, "ML_BSSN::W");
+
     CCTK_TimerStart("QuasiMaximalSlicing_Expand");
     expand_start = gettime();
 #if 0