diff --git a/source/compiler/sc3.c b/source/compiler/sc3.c
index cf04eab..d304dde 100644
--- a/source/compiler/sc3.c
+++ b/source/compiler/sc3.c
@@ -194,8 +194,8 @@ static void (*unopers[])(void) = { lneg, neg, user_inc, user_dec };
   /* check existance and the proper declaration of this function */
   if ((sym->usage & uMISSING)!=0 || (sym->usage & uPROTOTYPED)==0) {
     char symname[2*sNAMEMAX+16];  /* allow space for user defined operators */
-    funcdisplayname(symname,sym->name);
     char *ptr= (sym->documentation!=NULL) ? sym->documentation : "";
+    funcdisplayname(symname,sym->name);
     if ((sym->usage & uMISSING)!=0)
       error(4,symname,ptr);       /* function not defined */
     if ((sym->usage & uPROTOTYPED)==0)
@@ -1880,8 +1880,8 @@ restart:
         } /* if */
       } else if ((sym->usage & uMISSING)!=0) {
         char symname[2*sNAMEMAX+16];  /* allow space for user defined operators */
-        funcdisplayname(symname,sym->name);
         char *ptr= (sym->documentation!=NULL) ? sym->documentation : "";
+        funcdisplayname(symname,sym->name);
         error(4,symname,ptr);         /* function not defined */
       } /* if */
       callfunction(sym,lval1,TRUE);