diff --git a/packages/wast-parser/src/grammar.js b/packages/wast-parser/src/grammar.js
index 98534ae37..bac07b2a2 100644
--- a/packages/wast-parser/src/grammar.js
+++ b/packages/wast-parser/src/grammar.js
@@ -789,6 +789,7 @@ export function parse(tokensList: Array<Object>, source: string): Program {
           eatToken();
 
           maybeIgnoreComment();
+          maybeIgnoreComment();
         }
 
         eatTokenOfType(tokens.closeParen);