diff --git a/lix/libstore/build/local-derivation-goal.cc b/lix/libstore/build/local-derivation-goal.cc
index 0d259158f..531affb49 100644
--- a/lix/libstore/build/local-derivation-goal.cc
+++ b/lix/libstore/build/local-derivation-goal.cc
@@ -933,7 +933,7 @@ void LocalDerivationGoal::initTmpDir() {
 void LocalDerivationGoal::setupConfiguredCertificateAuthority()
 {
     if (settings.caFile != "") {
-        if (pathAccessible(settings.caFile)) {
+        if (pathAccessible(settings.caFile, true)) {
             auto prefix = useChroot ?
 #if __linux__
                                     chrootRootDir