diff --git a/Cabal/Distribution/Simple/Build.hs b/Cabal/Distribution/Simple/Build.hs
index d6ced9824a360c924b1f99a472d8d2438d56be46..33958b1d84aebb76f24c845eeb3f566ae092e0fd 100644
--- a/Cabal/Distribution/Simple/Build.hs
+++ b/Cabal/Distribution/Simple/Build.hs
@@ -390,7 +390,7 @@ testSuiteLibV09AsLibAndExe pkg_descr
                               (package pkg) [] []
     }
     ipkgid = inplacePackageId (packageId pkg)
-    ipi    = inplaceInstalledPackageInfo pwd distPref pkg ipkgid lib lbi libClbi
+    ipi    = inplaceInstalledPackageInfo pwd distPref pkg ipkgid lib lbi' libClbi
     testDir = buildDir lbi </> stubName test
           </> stubName test ++ "-tmp"
     testLibDep = thisPackageVersion $ package pkg