diff --git a/src/fparser/two/Fortran2003.py b/src/fparser/two/Fortran2003.py
index 9919900d..3ce0ad3c 100644
--- a/src/fparser/two/Fortran2003.py
+++ b/src/fparser/two/Fortran2003.py
@@ -5644,8 +5644,10 @@ class `Base` matches rules in list order).
         "Constant",
         "Designator",
         "Array_Constructor",
-        "Structure_Constructor",
+        # Function_Reference is purposely above Structure_Constructure so if they
+        # can not be disambiguated, they will be matched as Function_Reference
         "Function_Reference",
+        "Structure_Constructor",
         "Type_Param_Inquiry",
         "Type_Param_Name",
         "Parenthesis",