diff --git a/src/grammar/function_invocation.rs b/src/grammar/function_invocation.rs
index 6746827..4b12ed4 100644
--- a/src/grammar/function_invocation.rs
+++ b/src/grammar/function_invocation.rs
@@ -23,9 +23,9 @@ pub(crate) fn opt_function_invocation(p: &mut Parser) -> bool {
 fn is_start_of_function(lookahead: Vec<TokenKind>) -> bool {
     if lookahead.len() < 3 {
         false
-    } else if lookahead[0] == T!["("] {
-        true
-    } else if lookahead[0] == T![.] && lookahead[1].is_ident() && lookahead[2] == T!["("] {
+    } else if lookahead[0] == T!["("]
+        || lookahead[0] == T![.] && lookahead[1].is_ident() && lookahead[2] == T!["("]
+    {
         true
     } else {
         false