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Diffstat (limited to 'src/osd/modules/debugger/debugwin.c')
-rw-r--r--src/osd/modules/debugger/debugwin.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/osd/modules/debugger/debugwin.c b/src/osd/modules/debugger/debugwin.c
index 1ae50bc3c8d..73bcd59c6e3 100644
--- a/src/osd/modules/debugger/debugwin.c
+++ b/src/osd/modules/debugger/debugwin.c
@@ -154,7 +154,7 @@ void debugger_windows::wait_for_debugger(device_t &device, bool firststop)
void debugger_windows::debugger_update()
{
// if we're running live, do some checks
- if (!winwindow_has_focus() && !debug_cpu_is_stopped(*m_machine) && (m_machine->phase() == MACHINE_PHASE_RUNNING))
+ if (!winwindow_has_focus() && m_machine && !debug_cpu_is_stopped(*m_machine) && (m_machine->phase() == MACHINE_PHASE_RUNNING))
{
// see if the interrupt key is pressed and break if it is
if (seq_pressed())