diff --git a/R.gitignore b/R.gitignore
index da10c745ee1d2f7140b3d3e6d6c3006c1bca1952..a7567e749778ddd16f3400cf59a732afc6c09b2b 100644
--- a/R.gitignore
+++ b/R.gitignore
@@ -4,6 +4,7 @@
 
 # Session Data files
 .RData
+.RDataTmp
 
 # User-specific files
 .Ruserdata