diff --git a/conf/distro/include/angstrom-core-tweaks.inc b/conf/distro/include/angstrom-core-tweaks.inc
index 6a17c34..dcd85e2 100644
--- a/conf/distro/include/angstrom-core-tweaks.inc
+++ b/conf/distro/include/angstrom-core-tweaks.inc
@@ -51,7 +51,7 @@ TOOLCHAIN_SYSPATH ?= "${TOOLCHAIN_PATH}/${TARGET_SYS}"
 
 # Package manager selection, angstrom uses ANGSTROM_PKG_FORMAT
 
-PACKAGE_CLASSES = " "
+PACKAGE_CLASSES = "package_ipk"
 
 # Image.bbclass stuff: