diff --git a/all.sas b/all.sas
index a9ebb87..4b2005b 100644
--- a/all.sas
+++ b/all.sas
@@ -8385,7 +8385,7 @@ run;
 %if %mf_getattrn(&libds,NLOBS)=0 %then %do;
   data &outds;
     length hashkey $32;
-    hashkey=md5("&salt",$hex32.);
+    hashkey=put(md5("&salt"),$hex32.);
     output;
     stop;
   run;
@@ -8403,7 +8403,7 @@ run;
   ;
     length &prevkeyvar &keyvar $32;
     retain &prevkeyvar;
-    if _n_=1 then &prevkeyvar=md5("&salt",$hex32.);
+    if _n_=1 then &prevkeyvar=put(md5("&salt"),$hex32.);
     set &libds end=&lastvar;
     /* hash should include previous row */
     &keyvar=%mp_md5(
diff --git a/base/mp_hashdataset.sas b/base/mp_hashdataset.sas
index 9486d21..f469e7e 100644
--- a/base/mp_hashdataset.sas
+++ b/base/mp_hashdataset.sas
@@ -58,7 +58,7 @@
 %if %mf_getattrn(&libds,NLOBS)=0 %then %do;
   data &outds;
     length hashkey $32;
-    hashkey=md5("&salt",$hex32.);
+    hashkey=put(md5("&salt"),$hex32.);
     output;
     stop;
   run;
@@ -76,7 +76,7 @@
   ;
     length &prevkeyvar &keyvar $32;
     retain &prevkeyvar;
-    if _n_=1 then &prevkeyvar=md5("&salt",$hex32.);
+    if _n_=1 then &prevkeyvar=put(md5("&salt"),$hex32.);
     set &libds end=&lastvar;
     /* hash should include previous row */
     &keyvar=%mp_md5(