diff --git a/all.sas b/all.sas
index e49eb9e..634d7a1 100644
--- a/all.sas
+++ b/all.sas
@@ -18333,4 +18333,4 @@ run;
 
 %inc "%sysfunc(pathname(work))/ml_json.lua";
 
-%mend;
+%mend ml_json;
diff --git a/build.py b/build.py
index 96b5377..61e88be 100755
--- a/build.py
+++ b/build.py
@@ -23,7 +23,7 @@ for file in files:
           ml.write("  put '" + line.rstrip().replace("'","''") + " ';\n")
     ml.write("run;\n\n")
     ml.write("%inc \"%sysfunc(pathname(work))/" + name + ".lua\";\n\n")
-    ml.write("%mend;\n")
+    ml.write("%mend " + name + ";\n")
 
 ml.close()
 
diff --git a/lua/ml_json.sas b/lua/ml_json.sas
index ad01538..cf2bf02 100644
--- a/lua/ml_json.sas
+++ b/lua/ml_json.sas
@@ -391,4 +391,4 @@ run;
 
 %inc "%sysfunc(pathname(work))/ml_json.lua";
 
-%mend;
+%mend ml_json;