diff --git a/os/hal/ports/simulator/posix/hal_lld.c b/os/hal/ports/simulator/posix/hal_lld.c
index 0015f5b24..d0c50795a 100755
--- a/os/hal/ports/simulator/posix/hal_lld.c
+++ b/os/hal/ports/simulator/posix/hal_lld.c
@@ -92,6 +92,12 @@ void _sim_check_for_interrupts(void) {
     CH_IRQ_EPILOGUE();
   }
 
+#if HAL_USE_CAN
+  if (check_can_isr()) {
+    int_occurred = true;
+  }
+#endif
+
   if (int_occurred) {
     _dbg_check_lock();
     if (chSchIsPreemptionRequired())
diff --git a/os/hal/ports/simulator/win32/hal_lld.c b/os/hal/ports/simulator/win32/hal_lld.c
index 5b50ca5c3..f17c641f3 100644
--- a/os/hal/ports/simulator/win32/hal_lld.c
+++ b/os/hal/ports/simulator/win32/hal_lld.c
@@ -99,6 +99,12 @@ void _sim_check_for_interrupts(void) {
     CH_IRQ_EPILOGUE();
   }
 
+#if HAL_USE_CAN
+  if (check_can_isr()) {
+    int_occurred = true;
+  }
+#endif
+
   if (int_occurred) {
     _dbg_check_lock();
     if (chSchIsPreemptionRequired())