diff --git a/.gitignore b/.gitignore
index d33b79736d..3163c12765 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,6 +18,8 @@
 .dirstamp
 *.trs
 *.log
+# Calltool stuff
+.*.graph
 # Stuff made by our makefiles
 *.bak
 # Python droppings