diff --git a/all.sas b/all.sas
index 712a034..dc9ab92 100644
--- a/all.sas
+++ b/all.sas
@@ -8872,6 +8872,9 @@ options ibufsize=&ibufsize;
       ,mdebug=&mdebug
     )
 
+    proc append base=&auditlibds data=&storediffs;
+    run;
+
     %if &locklibds ne 0 %then %do;
       %mp_lockanytable(UNLOCK
         ,lib=%scan(&auditlibds,1,.)
diff --git a/base/mf_getuser.sas b/base/mf_getuser.sas
index b3ae413..338950c 100755
--- a/base/mf_getuser.sas
+++ b/base/mf_getuser.sas
@@ -33,7 +33,8 @@
   %else %if %symexist(&metavar) %then %do;
     %if %length(&&&metavar)=0 %then %let user=&sysuserid;
     /* sometimes SAS will add @domain extension - remove for consistency */
-    %else %let user=%scan(&&&metavar,1,@);
+    /* but be sure to quote in case of usernames with commas */
+    %else %let user=%unquote(%scan(%quote(&&&metavar),1,@));
   %end;
   %else %let user=&sysuserid;
 
diff --git a/base/mp_loadformat.sas b/base/mp_loadformat.sas
index 6d6e308..e1e32eb 100644
--- a/base/mp_loadformat.sas
+++ b/base/mp_loadformat.sas
@@ -40,13 +40,13 @@
   @li mp_abort.sas
   @li mp_cntlout.sas
   @li mp_lockanytable.sas
+  @li mp_storediffs.sas
 
   <h4> Related Macros </h4>
   @li mddl_dc_difftable.sas
   @li mddl_dc_locktable.sas
   @li mp_loadformat.test.sas
   @li mp_lockanytable.sas
-  @li mp_storediffs.sas
   @li mp_stackdiffs.sas
 
 
@@ -272,6 +272,9 @@ options ibufsize=&ibufsize;
       ,mdebug=&mdebug
     )
 
+    proc append base=&auditlibds data=&storediffs;
+    run;
+
     %if &locklibds ne 0 %then %do;
       %mp_lockanytable(UNLOCK
         ,lib=%scan(&auditlibds,1,.)
@@ -295,4 +298,4 @@ options ibufsize=&ibufsize;
   %put &sysmacroname exit vars:;
   %put _local_;
 %end;
-%mend mp_loadformat;
\ No newline at end of file
+%mend mp_loadformat;
diff --git a/tests/crossplatform/mp_loadformat.test.sas b/tests/crossplatform/mp_loadformat.test.sas
index 414a454..68078d3 100644
--- a/tests/crossplatform/mp_loadformat.test.sas
+++ b/tests/crossplatform/mp_loadformat.test.sas
@@ -3,6 +3,7 @@
   @brief Testing mp_loadformat.sas macro
 
   <h4> SAS Macros </h4>
+  @li mddl_dc_difftable.sas
   @li mp_loadformat.sas
   @li mp_assert.sas
   @li mp_assertscope.sas
@@ -12,6 +13,8 @@
 /* prep format catalog */
 libname perm (work);
 
+%mddl_dc_difftable(libds=perm.audit)
+
 data work.loadfmts;
   length fmtname $32;
   eexcl='Y';
@@ -49,7 +52,7 @@ run;
 %mp_loadformat(perm.testcat
   ,work.stagedata
   ,loadtarget=YES
-  ,auditlibds=0
+  ,auditlibds=perm.audit
   ,locklibds=0
   ,delete_col=deleteme
   ,outds_add=add_test1
@@ -73,4 +76,9 @@ run;
   iftrue=(%mf_nobs(mod_test1)=100),
   desc=Test 1 - mod obs,
   outds=work.test_results
-)
\ No newline at end of file
+)
+%mp_assert(
+  iftrue=(%mf_nobs(perm.audit)>7329),
+  desc=Test 1 - audit table updated,
+  outds=work.test_results
+)