diff --git a/all.sas b/all.sas
index de46e08..593d3a8 100644
--- a/all.sas
+++ b/all.sas
@@ -9041,7 +9041,7 @@ data _null_;
   put '%local i tempds jsonengine; ';
   put ' ';
   put '/* see https://github.com/sasjs/core/issues/41 */ ';
-  put '%if %upcase(&SYSENCODING)=WLATIN1 %then %let jsonengine=PROCJSON; ';
+  put '%if "%upcase(&SYSENCODING)"="WLATIN1" %then %let jsonengine=PROCJSON; ';
   put '%else %let jsonengine=DATASTEP; ';
   put ' ';
   put ' ';
@@ -12532,7 +12532,7 @@ run;
 %local i tempds jsonengine;
 
 /* see https://github.com/sasjs/core/issues/41 */
-%if %upcase(&SYSENCODING)=WLATIN1 %then %let jsonengine=PROCJSON;
+%if "%upcase(&SYSENCODING)"="WLATIN1" %then %let jsonengine=PROCJSON;
 %else %let jsonengine=DATASTEP;
 
 
diff --git a/meta/mm_createwebservice.sas b/meta/mm_createwebservice.sas
index 44b9d32..3f3387e 100644
--- a/meta/mm_createwebservice.sas
+++ b/meta/mm_createwebservice.sas
@@ -269,7 +269,7 @@ data _null_;
   put '%local i tempds jsonengine; ';
   put ' ';
   put '/* see https://github.com/sasjs/core/issues/41 */ ';
-  put '%if %upcase(&SYSENCODING)=WLATIN1 %then %let jsonengine=PROCJSON; ';
+  put '%if "%upcase(&SYSENCODING)"="WLATIN1" %then %let jsonengine=PROCJSON; ';
   put '%else %let jsonengine=DATASTEP; ';
   put ' ';
   put ' ';
diff --git a/meta/mm_webout.sas b/meta/mm_webout.sas
index 799072c..72fdcbd 100644
--- a/meta/mm_webout.sas
+++ b/meta/mm_webout.sas
@@ -39,7 +39,7 @@
 %local i tempds jsonengine;
 
 /* see https://github.com/sasjs/core/issues/41 */
-%if %upcase(&SYSENCODING)=WLATIN1 %then %let jsonengine=PROCJSON;
+%if "%upcase(&SYSENCODING)"="WLATIN1" %then %let jsonengine=PROCJSON;
 %else %let jsonengine=DATASTEP;