diff --git a/testing/testing.conf b/testing/testing.conf
index 7929dba3a..638762f9b 100644
--- a/testing/testing.conf
+++ b/testing/testing.conf
@@ -44,7 +44,7 @@ IMGDIR=$BUILDDIR/images
 
 # Base image settings
 # The base image is a pristine OS installation created using debootstrap.
-BASEIMGSIZE=1024
+BASEIMGSIZE=1280
 BASEIMGSUITE=wheezy
 BASEIMGARCH=amd64
 BASEIMG=$IMGDIR/debian-$BASEIMGSUITE-$BASEIMGARCH.$IMGEXT