Disallow generic arguments in path of a macro invocation
diff --git a/src/expr.rs b/src/expr.rs
index 4d170a9..583daac 100644
--- a/src/expr.rs
+++ b/src/expr.rs
@@ -2354,7 +2354,7 @@
     #[cfg(feature = "full")]
     named!(stmt_mac -> Stmt, do_parse!(
         attrs: many0!(Attribute::parse_outer) >>
-        what: syn!(Path) >>
+        what: call!(Path::parse_mod_style) >>
         bang: punct!(!) >>
     // Only parse braces here; paren and bracket will get parsed as
     // expression statements