diff --git a/arch/sim/src/sim/sim_decoder.c b/arch/sim/src/sim/sim_decoder.c
index f5d61b3651d..307d652ea70 100644
--- a/arch/sim/src/sim/sim_decoder.c
+++ b/arch/sim/src/sim/sim_decoder.c
@@ -27,6 +27,7 @@
 
 #include <nuttx/kmalloc.h>
 #include <nuttx/video/v4l2_m2m.h>
+#include <nuttx/wqueue.h>
 
 #include "sim_openh264dec.h"
 #include "sim_internal.h"
diff --git a/arch/sim/src/sim/sim_encoder.c b/arch/sim/src/sim/sim_encoder.c
index ae8e931fa05..1f106b4c4f5 100644
--- a/arch/sim/src/sim/sim_encoder.c
+++ b/arch/sim/src/sim/sim_encoder.c
@@ -26,6 +26,7 @@
 
 #include <nuttx/kmalloc.h>
 #include <nuttx/video/v4l2_m2m.h>
+#include <nuttx/wqueue.h>
 
 #include "sim_x264encoder.h"
 #include "sim_internal.h"