diff --git a/files/etc/default/nodepool b/files/etc/default/nodepool
index f7d70be..8541bd8 100644
--- a/files/etc/default/nodepool
+++ b/files/etc/default/nodepool
@@ -4,6 +4,6 @@
 
 # The prefix used when nodepool was installed. Be sure to update this value
 # if you are using a virtualenv.
-PREFIX=/usr
+PREFIX=/usr/local
 
 DIB_IMAGE_CACHE=/opt/nodepool/cache
diff --git a/files/etc/default/nodepool-builder b/files/etc/default/nodepool-builder
index 9a601d2..0ac4d7e 100644
--- a/files/etc/default/nodepool-builder
+++ b/files/etc/default/nodepool-builder
@@ -4,6 +4,6 @@
 
 # The prefix used when nodepool-builder was installed. Be sure to update this
 # value if you are using a virtualenv.
-PREFIX=/usr
+PREFIX=/usr/local
 
 DIB_IMAGE_CACHE=/opt/nodepool/cache
diff --git a/files/etc/init.d/nodepool b/files/etc/init.d/nodepool
index a83c8d9..a95b5d6 100644
--- a/files/etc/init.d/nodepool
+++ b/files/etc/init.d/nodepool
@@ -23,7 +23,7 @@ USER=nodepool
 DAEMON=$PREFIX/bin/nodepoold
 
 # Exit if the package is not installed
-[ -x "$DAEMON" ] || exit 0
+[ -x "$DAEMON" ] || exit 5
 
 # Load the VERBOSE setting and other rcS variables
 . /lib/init/vars.sh
diff --git a/files/etc/init.d/nodepool-builder b/files/etc/init.d/nodepool-builder
index 913c576..6d43403 100644
--- a/files/etc/init.d/nodepool-builder
+++ b/files/etc/init.d/nodepool-builder
@@ -23,7 +23,7 @@ USER=nodepool
 DAEMON=$PREFIX/bin/nodepool-builder
 
 # Exit if the package is not installed
-[ -x "$DAEMON" ] || exit 0
+[ -x "$DAEMON" ] || exit 5
 
 # Load the VERBOSE setting and other rcS variables
 . /lib/init/vars.sh