diff --git a/AltiumDesigner.gitignore b/AltiumDesigner.gitignore
index 7291862c5da7f6ccb05a4ffe6ae3b060ca3215bf..5e410492cb66e5208937dbf772dc004c6168ca0e 100644
--- a/AltiumDesigner.gitignore
+++ b/AltiumDesigner.gitignore
@@ -12,7 +12,9 @@ Project\ Outputs*
 # Misc files generated by altium
 debug.log
 Status\ Report.txt
-*PcbDoc..htm
+*.PcbDoc.htm
+*.SchDocPreview
+*.PcbDocPreview
 
 # Lock files sometimes left behind
 .~lock.*