diff --git a/sql/item_func.cc b/sql/item_func.cc
index db8d2c1..ab129c4 100644
--- a/sql/item_func.cc
+++ b/sql/item_func.cc
@@ -7086,7 +7086,6 @@ void Item_func_get_user_var::fix_length_and_dec()
     unsigned_flag= var_entry->unsigned_flag;
     max_length= var_entry->length();

-    collation.set(var_entry->collation);
     switch(m_cached_result_type) {
     case REAL_RESULT:
       fix_char_length(DBL_DIG + 8);
@@ -7107,6 +7106,8 @@ void Item_func_get_user_var::fix_length_and_dec()
       assert(0);
       break;
     }
+
+    collation.set(var_entry->collation);
   }
   else
   {