diff --git a/libs/gtkmm2ext/wscript b/libs/gtkmm2ext/wscript
index e90cef825e..fa5dea50e0 100644
--- a/libs/gtkmm2ext/wscript
+++ b/libs/gtkmm2ext/wscript
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 import autowaf
 import os
+import glob
 
 # Version of this package (even if built as a child)
 MAJOR = '0'