diff --git a/compiler/x86_64/nx64add.pas b/compiler/x86_64/nx64add.pas
index 37a8d6474b..e7469cd296 100644
--- a/compiler/x86_64/nx64add.pas
+++ b/compiler/x86_64/nx64add.pas
@@ -51,6 +51,8 @@ interface
         hl4 : tasmlabel;
 
     begin
+      pass_left_right;
+
       { The location.register will be filled in later (JM) }
       location_reset(location,LOC_REGISTER,OS_INT);
       { Get a temp register and load the left value into it