diff --git a/src/HLL/Grammar.pm b/src/HLL/Grammar.pm
index 8c4d91b..dd909ab 100644
--- a/src/HLL/Grammar.pm
+++ b/src/HLL/Grammar.pm
@@ -20,7 +20,7 @@ grammar HLL::Grammar;
     token term:sym<circumfix> { <circumfix> }
 
     token infixish { <OPER=infix=infix> }
-    token prefixish { <OPER=prefix=prefix> }
+    token prefixish { <OPER=prefix=prefix> <.ws> }
     token postfixish { 
         | <OPER=postfix=postfix> 
         | <OPER=postcircumfix=postcircumfix>
diff --git a/src/NQP/Grammar.pm b/src/NQP/Grammar.pm
index d3a23cd..60d6c4d 100644
--- a/src/NQP/Grammar.pm
+++ b/src/NQP/Grammar.pm
@@ -280,12 +280,12 @@ token nulltermish {
 }
 
 token postcircumfix:sym<[ ]> { 
-    '[' <EXPR> ']' 
+    '[' <.ws> <EXPR> ']' 
     <O('%methodop')>
 }
 
 token postcircumfix:sym<{ }> {
-    '{' <EXPR> '}'
+    '{' <.ws> <EXPR> '}'
     <O('%methodop')>
 }