diff --git a/tgt-vhdl/display.cc b/tgt-vhdl/display.cc
index e2f43bc99..8f9b06e4c 100644
--- a/tgt-vhdl/display.cc
+++ b/tgt-vhdl/display.cc
@@ -141,7 +141,7 @@ int draw_stask_display(vhdl_process *proc, stmt_container *container,
                   }
                   else
                      ss << ch;
-                  p += 4;
+                  p += 3;
                }
                else
                   ss << *p;