diff --git a/rules/whitespace.pcs b/rules/whitespace.pcs
index 2aa778e..9124c1b 100644
--- a/rules/whitespace.pcs
+++ b/rules/whitespace.pcs
@@ -10,3 +10,7 @@ token "whitespace-after-operator" {
     followed-by: WHITESPACE, CLOSE_PAREN;
 };
 
+token "whitespace-after-comma" {
+    type: COMMA;
+    followed-by: WHITESPACE;
+};
\ No newline at end of file
diff --git a/test.sql b/test.sql
index 2b1a24b..b250d93 100644
--- a/test.sql
+++ b/test.sql
@@ -1,3 +1,3 @@
-select COUNT(*), x*y, SUM(CASE WHEN Foo IS NOT NULL THEN 1 ELSE 0 END)
+select COUNT(*), x*y,SUM(CASE WHEN Foo IS NOT NULL THEN 1 ELSE 0 END)
   FROM Bar 
  WHERE Quax = $1 and Datestamp>=now() -'1 hour'::interval;
\ No newline at end of file