diff --git a/subprojects/gst-plugins-bad/sys/v4l2codecs/linux/types-compat.h b/subprojects/gst-plugins-bad/sys/v4l2codecs/linux/types-compat.h
index e2502f3bd8..a65a3384ce 100644
--- a/subprojects/gst-plugins-bad/sys/v4l2codecs/linux/types-compat.h
+++ b/subprojects/gst-plugins-bad/sys/v4l2codecs/linux/types-compat.h
@@ -40,6 +40,11 @@
 #  endif
 #endif
 
+#if defined(__sun)
+/* for _IOR/_IORW on Illumos distros */
+#include <sys/ioccom.h>
+#endif
+
 #ifndef __bitwise
 #  ifdef __CHECK_ENDIAN__
 #    define __bitwise __bitwise__
diff --git a/subprojects/gst-plugins-good/sys/v4l2/ext/types-compat.h b/subprojects/gst-plugins-good/sys/v4l2/ext/types-compat.h
index e2502f3bd8..a65a3384ce 100644
--- a/subprojects/gst-plugins-good/sys/v4l2/ext/types-compat.h
+++ b/subprojects/gst-plugins-good/sys/v4l2/ext/types-compat.h
@@ -40,6 +40,11 @@
 #  endif
 #endif
 
+#if defined(__sun)
+/* for _IOR/_IORW on Illumos distros */
+#include <sys/ioccom.h>
+#endif
+
 #ifndef __bitwise
 #  ifdef __CHECK_ENDIAN__
 #    define __bitwise __bitwise__