diff --git a/src/systemc/core/kernel.cc b/src/systemc/core/kernel.cc
index 2fd3027..13e69d1 100644
--- a/src/systemc/core/kernel.cc
+++ b/src/systemc/core/kernel.cc
@@ -103,7 +103,7 @@
         for (auto c: sc_gem5::allChannels)
             c->sc_chan()->end_of_elaboration();
     } catch (...) {
-        ::sc_gem5::scheduler.throwToScMain();
+        ::sc_gem5::scheduler.throwUp();
     }
 }
 
@@ -127,7 +127,7 @@
         for (auto c: sc_gem5::allChannels)
             c->sc_chan()->start_of_simulation();
     } catch (...) {
-        ::sc_gem5::scheduler.throwToScMain();
+        ::sc_gem5::scheduler.throwUp();
     }
 
     startComplete = true;
@@ -159,7 +159,7 @@
         for (auto c: sc_gem5::allChannels)
             c->sc_chan()->end_of_simulation();
     } catch (...) {
-        ::sc_gem5::scheduler.throwToScMain();
+        ::sc_gem5::scheduler.throwUp();
     }
 
     endComplete = true;
diff --git a/src/systemc/core/process_types.hh b/src/systemc/core/process_types.hh
index 1361e97..c14ec1f 100644
--- a/src/systemc/core/process_types.hh
+++ b/src/systemc/core/process_types.hh
@@ -94,7 +94,7 @@
                 thread->run();
             } catch (...) {
                 thread->terminate();
-                scheduler.throwToScMain();
+                scheduler.throwUp();
                 return;
             }
             thread->terminate();
diff --git a/src/systemc/core/scheduler.cc b/src/systemc/core/scheduler.cc
index 465da55..4b566ca 100644
--- a/src/systemc/core/scheduler.cc
+++ b/src/systemc/core/scheduler.cc
@@ -47,7 +47,7 @@
 Scheduler::Scheduler() :
     eq(nullptr), readyEvent(this, false, ReadyPriority),
     pauseEvent(this, false, PausePriority),
-    stopEvent(this, false, StopPriority), _throwToScMain(nullptr),
+    stopEvent(this, false, StopPriority), _throwUp(nullptr),
     starvationEvent(this, false, StarvationPriority),
     _elaborationDone(false), _started(false), _stopNow(false),
     _status(StatusOther), maxTickEvent(this, false, MaxTickPriority),
@@ -180,7 +180,7 @@
             try {
                 _current->run();
             } catch (...) {
-                throwToScMain();
+                throwUp();
             }
         }
     }
@@ -327,7 +327,7 @@
             channel = updateList.getNext();
         }
     } catch (...) {
-        throwToScMain();
+        throwUp();
     }
 }
 
@@ -340,7 +340,7 @@
         while (!deltas.empty())
             deltas.back()->run();
     } catch (...) {
-        throwToScMain();
+        throwUp();
     }
 }
 
@@ -398,9 +398,9 @@
     if (starvationEvent.scheduled())
         deschedule(&starvationEvent);
 
-    if (_throwToScMain) {
-        const ::sc_core::sc_report *to_throw = _throwToScMain;
-        _throwToScMain = nullptr;
+    if (_throwUp) {
+        const ::sc_core::sc_report *to_throw = _throwUp;
+        _throwUp = nullptr;
         throw *to_throw;
     }
 }
@@ -423,12 +423,17 @@
 }
 
 void
-Scheduler::throwToScMain()
+Scheduler::throwUp()
 {
-    ::sc_core::sc_report report = reportifyException();
-    _throwToScMain = &report;
-    status(StatusOther);
-    scMainFiber.run();
+    if (scMainFiber.called() && !scMainFiber.finished()) {
+        ::sc_core::sc_report report = reportifyException();
+        _throwUp = &report;
+        status(StatusOther);
+        scMainFiber.run();
+    } else {
+        reportHandlerProc(reportifyException(),
+                ::sc_core::sc_report_handler::get_catch_actions());
+    }
 }
 
 void
diff --git a/src/systemc/core/scheduler.hh b/src/systemc/core/scheduler.hh
index 6484108..63f6ac3 100644
--- a/src/systemc/core/scheduler.hh
+++ b/src/systemc/core/scheduler.hh
@@ -363,7 +363,9 @@
     uint64_t changeStamp() { return _changeStamp; }
     void stepChangeStamp() { _changeStamp++; }
 
-    void throwToScMain();
+    // Throw upwards, either to sc_main or to the report handler if sc_main
+    // isn't running.
+    void throwUp();
 
     Status status() { return _status; }
     void status(Status s) { _status = s; }
@@ -424,7 +426,7 @@
     EventWrapper<Scheduler, &Scheduler::pause> pauseEvent;
     EventWrapper<Scheduler, &Scheduler::stop> stopEvent;
 
-    const ::sc_core::sc_report *_throwToScMain;
+    const ::sc_core::sc_report *_throwUp;
 
     bool
     starved()
@@ -505,7 +507,7 @@
             scheduler.completeTimeSlot(this);
         else
             scheduler.schedule(this);
-        scheduler.throwToScMain();
+        scheduler.throwUp();
     }
 
     scheduler.status(StatusOther);