diff --git a/all.sas b/all.sas
index 95f3118..c4f58a1 100644
--- a/all.sas
+++ b/all.sas
@@ -3341,7 +3341,7 @@ data _null_;
   stop;
 run;
 
-%mp_abort(iftrue=(&abort=YES)
+%mp_abort(iftrue=(&abort=YES),
   mac=&sysmacroname,
   msg=%str(Filter issues in &inds, first was &reason_cd, details in &outds)
 )
diff --git a/base/mp_filtercheck.sas b/base/mp_filtercheck.sas
index f74320f..00748ae 100644
--- a/base/mp_filtercheck.sas
+++ b/base/mp_filtercheck.sas
@@ -147,7 +147,7 @@ data _null_;
   stop;
 run;
 
-%mp_abort(iftrue=(&abort=YES)
+%mp_abort(iftrue=(&abort=YES),
   mac=&sysmacroname,
   msg=%str(Filter issues in &inds, first was &reason_cd, details in &outds)
 )