diff --git a/.gitignore b/.gitignore
index 59fde34..a549fd3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,6 @@ fp-info-cache
 # Exported BOM files
 *.xml
 *.csv
+
+# multi pcb projects
+*_x*.kicad_pro