diff --git a/VisualStudio.gitignore b/VisualStudio.gitignore
index f6162967..5fa5bfd5 100644
--- a/VisualStudio.gitignore
+++ b/VisualStudio.gitignore
@@ -34,6 +34,7 @@ build/
 *.tli
 *.tlh
 *.tmp
+*.tmp_proj
 *.log
 *.vspscc
 *.vssscc