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-rw-r--r--nix/libstore/build.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/nix/libstore/build.cc b/nix/libstore/build.cc
index 07babf9797..dd8660dffe 100644
--- a/nix/libstore/build.cc
+++ b/nix/libstore/build.cc
@@ -2345,7 +2345,7 @@ void DerivationGoal::registerOutputs()
&& redirectedBadOutputs.find(path) != redirectedBadOutputs.end()
&& pathExists(redirected))
replaceValidPath(path, redirected);
- if (buildMode == bmCheck)
+ if (buildMode == bmCheck && redirected != "")
actualPath = redirected;
}