diff --git a/radare2/xdot b/radare2/xdot
new file mode 100755
index 0000000..3b40c7a
--- /dev/null
+++ b/radare2/xdot
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+DOT=`mktemp`
+cat > $DOT
+xdot $DOT
diff --git a/radare2rc b/radare2rc
index c829c7c..b01677c 100644
--- a/radare2rc
+++ b/radare2rc
@@ -4,3 +4,6 @@ e asm.syntax = intel
 e asm.linescall = true
 e asm.linesout = true
 e asm.lineswidth = 12
+
+# Callgraph: .(cg)
+(cg,aa,ag | $HOME/.radare2/xdot || xdot -,)