--- a/libs/spandsp/src/t4_tx.c
+++ b/libs/spandsp/src/t4_tx.c
@@ -50,7 +50,7 @@
 #include "spandsp/stdbool.h"
 #endif
 #include "floating_fudge.h"
-#include <tiffio.h>
+#include <tiffiop.h>
 
 #include "spandsp/telephony.h"
 #include "spandsp/alloc.h"