diff --git a/.gitignore b/.gitignore
index 94420dc..5216aab 100644
--- a/.gitignore
+++ b/.gitignore
@@ -234,3 +234,8 @@ _Pvt_Extensions
 
 # FAKE - F# Make
 .fake/
+
+# sm specific
+build/
+msvc*/
+*.smx
\ No newline at end of file