diff --git a/.gitignore b/.gitignore
index a8032b55..723cae49 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,6 +25,7 @@ x64_Debug
 *.user
 *.ncb
 *.opt
+*.suo
 !/src/BuildFiles/**/*
 
 # Applied for 'developer_tools/stbchecker/'
@@ -204,3 +205,4 @@ developer_tools/stbchecker/**/ASALocalRun/
 developer_tools/stbchecker/**/*.binlog
 developer_tools/stbchecker/**/*.nvuser
 developer_tools/stbchecker/**/.mfractor/
+