1 files changed, 1 insertions, 1 deletions
diff --git a/src/nix/log.cc b/src/nix/log.cc
index 122a3d690..795991cb7 100644
--- a/src/nix/log.cc
+++ b/src/nix/log.cc
@@ -43,7 +43,7 @@ struct CmdLog : InstallableCommand
 
         RunPager pager;
         for (auto & sub : subs) {
-            auto log = b.drvPath != "" ? sub->getBuildLog(b.drvPath) : nullptr;
+            auto log = b.drvPath ? sub->getBuildLog(*b.drvPath) : nullptr;
             for (auto & output : b.outputs) {
                 if (log) break;
                 log = sub->getBuildLog(output.second);