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-rw-r--r--src/Propellor/Property/Debootstrap.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Propellor/Property/Debootstrap.hs b/src/Propellor/Property/Debootstrap.hs
index 59850c4c..f9737cac 100644
--- a/src/Propellor/Property/Debootstrap.hs
+++ b/src/Propellor/Property/Debootstrap.hs
@@ -100,7 +100,7 @@ extractSuite (System (FreeBSD _) _) = Nothing
installed :: RevertableProperty Linux Linux
installed = install <!> remove
where
- install = check (isJust <$> programPath) $
+ install = check (isNothing <$> programPath) $
(aptinstall `pickOS` sourceInstall)
`describe` "debootstrap installed"