Index: tool/lemon.c
==================================================================
--- tool/lemon.c
+++ tool/lemon.c
@@ -3846,11 +3846,11 @@
         int j;
         if( rp->lhsalias && strcmp(rp->lhsalias,rp->rhsalias[i])==0 ){
           ErrorMsg(lemp->filename,rp->ruleline,
             "%s(%s) has the same label as the LHS but is not the left-most "
             "symbol on the RHS.",
-            rp->rhs[i]->name, rp->rhsalias);
+            rp->rhs[i]->name, rp->rhsalias[i]);
           lemp->errorcnt++;
         }
         for(j=0; j<i; j++){
           if( rp->rhsalias[j] && strcmp(rp->rhsalias[j],rp->rhsalias[i])==0 ){
             ErrorMsg(lemp->filename,rp->ruleline,