diff --git a/poky/meta/recipes-sato/images/core-image-sato-sdk-ptest.bb b/poky/meta/recipes-sato/images/core-image-sato-sdk-ptest.bb
index 1027ec0..e84beda 100644
--- a/poky/meta/recipes-sato/images/core-image-sato-sdk-ptest.bb
+++ b/poky/meta/recipes-sato/images/core-image-sato-sdk-ptest.bb
@@ -1,15 +1,21 @@
 require core-image-sato-sdk.bb
+require conf/distro/include/ptest-packagelists.inc
 
 DESCRIPTION += "Also includes ptest packages."
 
 IMAGE_FEATURES += "ptest-pkgs"
 
+PROVIDES += "core-image-sato-ptest"
+
+# Also include ptests which may not otherwise be included in a sato image
+IMAGE_INSTALL += "${PTESTS_FAST} ${PTESTS_SLOW}"
+
 # This image is sufficiently large (~1.8GB) that we need to be careful that it fits in a live
 # image (which has a 4GB limit), so nullify the overhead factor (1.3x out of the
-# box) and explicitly add just 1500MB.
+# box) and explicitly add just 1200MB.
 # strace-ptest in particular needs more than 500MB
 IMAGE_OVERHEAD_FACTOR = "1.0"
-IMAGE_ROOTFS_EXTRA_SPACE = "1524288"
+IMAGE_ROOTFS_EXTRA_SPACE = "1224288"
 
 # ptests need more memory than standard to avoid the OOM killer
 QB_MEM = "-m 1024"