diff --git a/src/libstore/build/substitution-goal.cc b/src/libstore/build/substitution-goal.cc
index 93867007d..c7e8e2825 100644
--- a/src/libstore/build/substitution-goal.cc
+++ b/src/libstore/build/substitution-goal.cc
@@ -2,6 +2,7 @@
 #include "substitution-goal.hh"
 #include "nar-info.hh"
 #include "finally.hh"
+#include "signals.hh"
 
 namespace nix {
 
@@ -217,6 +218,8 @@ void PathSubstitutionGoal::tryToRun()
 
     thr = std::thread([this]() {
         try {
+            ReceiveInterrupts receiveInterrupts;
+
             /* Wake up the worker loop when we're done. */
             Finally updateStats([this]() { outPipe.writeSide.close(); });
 
diff --git a/src/libutil/thread-pool.cc b/src/libutil/thread-pool.cc
index c5e735617..9a7dfee56 100644
--- a/src/libutil/thread-pool.cc
+++ b/src/libutil/thread-pool.cc
@@ -79,6 +79,8 @@ void ThreadPool::process()
 
 void ThreadPool::doWork(bool mainThread)
 {
+    ReceiveInterrupts receiveInterrupts;
+
     if (!mainThread)
         interruptCheck = [&]() { return (bool) quit; };