diff --git a/panda/src/vision/webcamVideoCursorV4L.cxx b/panda/src/vision/webcamVideoCursorV4L.cxx
index cc0564d0c0..f31a5a9be5 100644
--- a/panda/src/vision/webcamVideoCursorV4L.cxx
+++ b/panda/src/vision/webcamVideoCursorV4L.cxx
@@ -12,10 +12,10 @@
 //
 ////////////////////////////////////////////////////////////////////
 
-#ifdef IS_LINUX
-
 #include "webcamVideoV4L.h"
 
+#ifdef IS_LINUX
+
 #include <sys/mman.h>
 #include <linux/videodev.h>
 #include <linux/videodev2.h>
diff --git a/panda/src/vision/webcamVideoCursorV4L.h b/panda/src/vision/webcamVideoCursorV4L.h
index 9463957e2f..34f43cb50a 100644
--- a/panda/src/vision/webcamVideoCursorV4L.h
+++ b/panda/src/vision/webcamVideoCursorV4L.h
@@ -15,6 +15,8 @@
 #ifndef WEBCAMVIDEOCURSORV4L_H
 #define WEBCAMVIDEOCURSORV4L_H
 
+#include "pandabase.h"
+
 #ifdef IS_LINUX
 
 #include "webcamVideo.h"
diff --git a/panda/src/vision/webcamVideoV4L.cxx b/panda/src/vision/webcamVideoV4L.cxx
index c9a14e261f..ae4741aa2e 100644
--- a/panda/src/vision/webcamVideoV4L.cxx
+++ b/panda/src/vision/webcamVideoV4L.cxx
@@ -12,10 +12,12 @@
 //
 ////////////////////////////////////////////////////////////////////
 
+#include "webcamVideoV4L.h"
+
 #ifdef IS_LINUX
 
-#include "webcamVideoV4L.h"
 #include "webcamVideoCursorV4L.h"
+#include "dcast.h"
 
 #include <linux/videodev.h>
 #include <linux/videodev2.h>
diff --git a/panda/src/vision/webcamVideoV4L.h b/panda/src/vision/webcamVideoV4L.h
index ed92c23e88..7caae2ec50 100644
--- a/panda/src/vision/webcamVideoV4L.h
+++ b/panda/src/vision/webcamVideoV4L.h
@@ -15,6 +15,8 @@
 #ifndef WEBCAMVIDEOV4L_H
 #define WEBCAMVIDEOV4L_H
 
+#include "pandabase.h"
+
 #ifdef IS_LINUX
 
 #include "webcamVideo.h"