diff --git a/src/libstore/unix/build/chroot-derivation-builder.cc b/src/libstore/unix/build/chroot-derivation-builder.cc
index 2e5299972..354a604f5 100644
--- a/src/libstore/unix/build/chroot-derivation-builder.cc
+++ b/src/libstore/unix/build/chroot-derivation-builder.cc
@@ -181,7 +181,7 @@ struct ChrootDerivationBuilder : virtual DerivationBuilderImpl
 
     std::pair<Path, Path> addDependencyPrep(const StorePath & path)
     {
-        DerivationBuilderImpl::addDependency(path);
+        DerivationBuilderImpl::addDependencyImpl(path);
 
         debug("materialising '%s' in the sandbox", store.printStorePath(path));
 
diff --git a/src/libstore/unix/build/linux-derivation-builder.cc b/src/libstore/unix/build/linux-derivation-builder.cc
index 95ef7eafe..d15e6e1ae 100644
--- a/src/libstore/unix/build/linux-derivation-builder.cc
+++ b/src/libstore/unix/build/linux-derivation-builder.cc
@@ -711,9 +711,6 @@ struct ChrootLinuxDerivationBuilder : ChrootDerivationBuilder, LinuxDerivationBu
 
     void addDependencyImpl(const StorePath & path) override
     {
-        if (isAllowed(path))
-            return;
-
         auto [source, target] = ChrootDerivationBuilder::addDependencyPrep(path);
 
         /* Bind-mount the path into the sandbox. This requires