diff --git a/parser/parser.yy b/parser/parser.yy
index f99332c..4c931e4 100644
--- a/parser/parser.yy
+++ b/parser/parser.yy
@@ -213,6 +213,7 @@ general_item: AMBIENT vector3 { $$ = new AmbientNode($2); }
             | UP vector3 { $$ = new UpNode($2); }
             | vector2 { $$ = $1; }
             | VFOV expression { $$ = new VFOVNode($2); }
+            | while { $$ = $1; }
             | WIDTH expression { $$ = new WidthNode($2); }
             ;
 
@@ -430,6 +431,12 @@ for: FOR LPAREN maybe_expression SEMICOLON bool_expression SEMICOLON maybe_expre
    }
    ;
 
+while: WHILE LPAREN bool_expression RPAREN LCURLY general_items RCURLY {
+        $$ = new ForNode(NULL, $3, NULL);
+        $$->addChildren($6);
+     }
+     ;
+
 if: IF LPAREN bool_expression RPAREN LCURLY general_items RCURLY if_more {
     $$ = new IfNode($3, $8);
     $$->addChildren($6);