diff --git a/.gitignore b/.gitignore
index 1698471..4eeb80a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@ tags
 *.dat
 *.script
 *.table
+*.thm
diff --git a/.latexmkrc b/.latexmkrc
index a54ada0..df1fa13 100644
--- a/.latexmkrc
+++ b/.latexmkrc
@@ -1,3 +1,3 @@
 $pdf_mode = 1;
 $pdflatex = 'pdflatex --shell-escape';
-$clean_ext = 'dat table script';
+$clean_ext = '%R_contourtmp0.dat %R_contourtmp0.table %R_contourtmp0.script thm';