diff --git a/README.product b/README.product
index ec6e516f..190f6c55 100644
--- a/README.product
+++ b/README.product
@@ -16,3 +16,5 @@ you would put your custom class here:
 
 /usr/share/lorax/product/run/install/product/pyanaconda/installclasses/custom.py
 
+If the repository that lorax uses contains packages with lorax-product-* and/or
+lorax-updates-* provides it will add these packages to the image.
diff --git a/share/runtime-install.tmpl b/share/runtime-install.tmpl
index cc3ec00f..d9c678d0 100644
--- a/share/runtime-install.tmpl
+++ b/share/runtime-install.tmpl
@@ -45,6 +45,12 @@ installpkg grubby
     installpkg lsscsi s390utils-base s390utils-cmsfs-fuse
 %endif
 
+## optional product.img or updates.img files
+log "Looking for extra lorax-product- packages..."
+-installpkg lorax-product-*
+log "Looking for extra lorax-updates- packages..."
+-installpkg lorax-updates-*
+
 ## yay, plymouth
 installpkg plymouth