diff --git a/multimedia/graphics/graphviz/actions.py b/multimedia/graphics/graphviz/actions.py
index 3f0ef07d87..9da9a75854 100644
--- a/multimedia/graphics/graphviz/actions.py
+++ b/multimedia/graphics/graphviz/actions.py
@@ -26,6 +26,7 @@ j = ''.join([
     ])
 
 def setup():
+    shelltools.export("CONFIG_SHELL", "/bin/bash")
     shelltools.system("NOCONFIGURE=1 ./autogen.sh")
     autotools.configure(j)