1 files changed, 1 insertions, 2 deletions
diff --git a/src/libstore/build/substitution-goal.cc b/src/libstore/build/substitution-goal.cc
index fb2949fd0..192ddc572 100644
--- a/src/libstore/build/substitution-goal.cc
+++ b/src/libstore/build/substitution-goal.cc
@@ -194,8 +194,7 @@ Goal::WorkResult PathSubstitutionGoal::tryToRun()
        if maxSubstitutionJobs == 0, we still allow a substituter to run. This
        prevents infinite waiting. */
     if (worker.getNrSubstitutions() >= std::max(1U, (unsigned int) settings.maxSubstitutionJobs)) {
-        worker.waitForBuildSlot(shared_from_this());
-        return StillAlive{};
+        return WaitForSlot{};
     }
 
     maintainRunningSubstitutions = std::make_unique<MaintainCount<uint64_t>>(worker.runningSubstitutions);