diff --git a/tgt-vvp/draw_switch.c b/tgt-vvp/draw_switch.c
index 3f81168b8..d62ae102c 100644
--- a/tgt-vvp/draw_switch.c
+++ b/tgt-vvp/draw_switch.c
@@ -106,8 +106,8 @@ void draw_switch_in_scope(ivl_switch_t sw)
 	    break;
 
 	  default:
-	    fprintf(stderr, "%s:%u: sorry: resistive switch modeling is not "
-	                    "currently supported.\n",
+	    fprintf(stderr, "%s:%u: tgt-vvp sorry: resistive switch modeling "
+	                    "is not currently supported.\n",
 		            ivl_switch_file(sw), ivl_switch_lineno(sw));
 	    vvp_errors += 1;
 	    return;
diff --git a/tgt-vvp/vvp_process.c b/tgt-vvp/vvp_process.c
index 5e12cc75d..dce4d6e31 100644
--- a/tgt-vvp/vvp_process.c
+++ b/tgt-vvp/vvp_process.c
@@ -1250,7 +1250,7 @@ static void force_link_rval(ivl_statement_t net, ivl_expr_t rval)
       }
       if (ivl_signal_width(lsig) > ivl_signal_width(rsig) ||
           (part_off_ex && get_number_immediate(part_off_ex) != 0)) {
-	    fprintf(stderr, "%s:%u: vvp-tgt sorry: cannot %s signal to "
+	    fprintf(stderr, "%s:%u: tgt-vvp sorry: cannot %s signal to "
 	            "a bit/part select.\n", ivl_expr_file(rval),
 	            ivl_expr_lineno(rval), command_name);
 	    exit(1);