diff --git a/.gitignore b/.gitignore
index 1bc915c..4f7ed7b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -51,7 +51,7 @@ ipch/
 *.aps
 *.ncb
 *.opensdf
-*.sdf
+#*.sdf
 *.cachefile
 
 # Visual Studio profiler