diff --git a/CSharp.gitignore b/CSharp.gitignore
index 9ac0ec3d..044ecea8 100644
--- a/CSharp.gitignore
+++ b/CSharp.gitignore
@@ -1,6 +1,6 @@
 # Build Folders (you can keep bin if you'd like, to store dlls and pdbs)
-bin
-obj
+[Bb]in/
+[Oo]bj/
 
 # mstest test results
 TestResults
\ No newline at end of file