diff --git a/softmmu/runstate.c b/softmmu/runstate.c
index 2874417..0187f18 100644
--- a/softmmu/runstate.c
+++ b/softmmu/runstate.c
@@ -218,7 +218,7 @@
     current_run_state = new_state;
 }
 
-int runstate_is_running(void)
+bool runstate_is_running(void)
 {
     return runstate_check(RUN_STATE_RUNNING);
 }