diff --git a/upgrade_design_to_current_vivado_version.sh b/upgrade_design_to_current_vivado_version.sh
index cd51aabd4a4e7c145a708faa0eb4c15bc87ced29..4ea50d93908695d4f12ee5e8a294a0d287fef200 100644
--- a/upgrade_design_to_current_vivado_version.sh
+++ b/upgrade_design_to_current_vivado_version.sh
@@ -67,7 +67,7 @@ cat "$1" | \
     sed "$replace_ip_versions" > $new_design_tcl
 
 # show what was changed
-diff --color=always "$1" "$new_design_tcl"
+diff --color=always "$1" "$new_design_tcl" || true
 
 # replace script in place
 cat "$new_design_tcl" > "$1"