diff --git a/graphics/pdcurs34/nuttx/pdcdisp.c b/graphics/pdcurs34/nuttx/pdcdisp.c
index e0c7ca84d..ac102131b 100644
--- a/graphics/pdcurs34/nuttx/pdcdisp.c
+++ b/graphics/pdcurs34/nuttx/pdcdisp.c
@@ -38,6 +38,8 @@
  ****************************************************************************/
 
 #include <sys/ioctl.h>
+#include <errno.h>
+
 #include "pdcnuttx.h"
 
 /****************************************************************************