diff --git a/analyzers/test/test.y b/analyzers/test/test.y
index a787a31..1ddcca0 100644
--- a/analyzers/test/test.y
+++ b/analyzers/test/test.y
@@ -271,8 +271,12 @@ string_types:
     STRING { }
     ;
 
+func_types:
+    FUNC LPAREN RPAREN return_type
+
 type:
     int_types { }
+    | func_types {  }
     | string_types {  }
     | float_types {  }
     | complex_types { }