Cleanup

2 files changed, 5 insertions, 2 deletions

diff --git a/src/libstore/build/hook-instance.cc b/src/libstore/build/hook-instance.cc
index ea2ae210e..075ad554f 100644
--- a/src/libstore/build/hook-instance.cc
+++ b/src/libstore/build/hook-instance.cc
@@ -35,7 +35,10 @@ HookInstance::HookInstance()
     /* Fork the hook. */
     pid = startProcess([&]() {
 
-        commonChildInit(fromHook.writeSide.get());
+        if (dup2(fromHook.writeSide.get(), STDERR_FILENO) == -1)
+            throw SysError("cannot pipe standard error into log file");
+
+        commonChildInit();
 
         if (chdir("/") == -1) throw SysError("changing into /");
 
diff --git a/src/libstore/build/local-derivation-goal.cc b/src/libstore/build/local-derivation-goal.cc
index 4f21862ca..3484d2044 100644
--- a/src/libstore/build/local-derivation-goal.cc
+++ b/src/libstore/build/local-derivation-goal.cc
@@ -1656,7 +1656,7 @@ void LocalDerivationGoal::runChild()
 
     try { /* child */
 
-        commonChildInit(-1);
+        commonChildInit();
 
         try {
             setupSeccomp();