diff --git a/src/include/86box/timer.h b/src/include/86box/timer.h
index 16f36b129..e4e163a08 100644
--- a/src/include/86box/timer.h
+++ b/src/include/86box/timer.h
@@ -221,7 +221,7 @@ timer_process_inline(void)
             timer->callback(timer->priv);
 
         if (timer->flags |= TIMER_ENABLE)
-            timer->flags = (timer_flags & ~TIMER_ENABLE) | TIMER_ENABLED;
+            timer->flags = (timer->flags & ~TIMER_ENABLE) | TIMER_ENABLED;
         else
             timer->flags &= ~TIMER_ENABLED;
     }
diff --git a/src/timer.c b/src/timer.c
index 354b193a5..a2a4dc87a 100644
--- a/src/timer.c
+++ b/src/timer.c
@@ -129,7 +129,7 @@ timer_process(void)
             timer->callback(timer->priv);
 
         if (timer->flags |= TIMER_ENABLE)
-            timer->flags = (timer_flags & ~TIMER_ENABLE) | TIMER_ENABLED;
+            timer->flags = (timer->flags & ~TIMER_ENABLE) | TIMER_ENABLED;
         else
             timer->flags &= ~TIMER_ENABLED;
     }