diff --git a/Shell/AST.cpp b/Shell/AST.cpp
index ac3a6e8352..bb441d907d 100644
--- a/Shell/AST.cpp
+++ b/Shell/AST.cpp
@@ -909,7 +909,7 @@ RefPtr<Value> Execute::run(RefPtr<Shell> shell)
             try_read();
         };
 
-        for (auto job : shell->run_commands(commands)) {
+        for (auto& job : shell->run_commands(commands)) {
             shell->block_on_job(job);
         }
 
diff --git a/Shell/Builtin.cpp b/Shell/Builtin.cpp
index 33a2d91178..ebc8644a81 100644
--- a/Shell/Builtin.cpp
+++ b/Shell/Builtin.cpp
@@ -734,7 +734,7 @@ int Shell::builtin_time(int argc, const char** argv)
     timer.start();
     for (auto& job : run_commands(commands)) {
         block_on_job(job);
-        exit_code = job->exit_code();
+        exit_code = job.exit_code();
     }
     fprintf(stderr, "Time: %d ms\n", timer.elapsed());
     return exit_code;
diff --git a/Shell/Shell.cpp b/Shell/Shell.cpp
index 3d7dd49030..b4e8ee0d40 100644
--- a/Shell/Shell.cpp
+++ b/Shell/Shell.cpp
@@ -588,9 +588,9 @@ RefPtr<Job> Shell::run_command(const AST::Command& command)
     return *job;
 }
 
-Vector<RefPtr<Job>> Shell::run_commands(Vector<AST::Command>& commands)
+NonnullRefPtrVector<Job> Shell::run_commands(Vector<AST::Command>& commands)
 {
-    Vector<RefPtr<Job>> jobs_to_wait_for;
+    NonnullRefPtrVector<Job> jobs_to_wait_for;
 
     for (auto& command : commands) {
 #ifdef SH_DEBUG
@@ -618,10 +618,10 @@ Vector<RefPtr<Job>> Shell::run_commands(Vector<AST::Command>& commands)
         if (command.should_wait) {
             block_on_job(job);
             if (!job->is_suspended())
-                jobs_to_wait_for.append(job);
+                jobs_to_wait_for.append(*job);
         } else {
             if (command.is_pipe_source) {
-                jobs_to_wait_for.append(job);
+                jobs_to_wait_for.append(*job);
             } else if (command.should_notify_if_in_background) {
                 job->set_running_in_background(true);
                 restore_ios();
diff --git a/Shell/Shell.h b/Shell/Shell.h
index a0b29d0bdd..3fceed2215 100644
--- a/Shell/Shell.h
+++ b/Shell/Shell.h
@@ -76,7 +76,7 @@ public:
     int run_command(const StringView&);
     bool is_runnable(const StringView&);
     RefPtr<Job> run_command(const AST::Command&);
-    Vector<RefPtr<Job>> run_commands(Vector<AST::Command>&);
+    NonnullRefPtrVector<Job> run_commands(Vector<AST::Command>&);
     bool run_file(const String&, bool explicitly_invoked = true);
     bool run_builtin(int argc, const char** argv, int& retval);
     bool has_builtin(const StringView&) const;