diff --git a/stdx/d/parser.d b/stdx/d/parser.d
index 76a1ca2..b28994d 100644
--- a/stdx/d/parser.d
+++ b/stdx/d/parser.d
@@ -6097,7 +6097,7 @@ protected:
             return !peekIs(tok!"switch");
         case tok!"debug":
         case tok!"version":
-            return peekIs(tok!"=");
+            return !peekIs(tok!"=");
         case tok!"synchronized":
             if (peekIs(tok!"("))
                 return false;