diff --git a/src/acpi/soundwire.c b/src/acpi/soundwire.c
index ed3634de62..c27c6f2dd3 100644
--- a/src/acpi/soundwire.c
+++ b/src/acpi/soundwire.c
@@ -6,7 +6,7 @@
 #include <commonlib/helpers.h>
 #include <device/soundwire.h>
 #include <stdbool.h>
-#include <stdint.h>
+#include <stddef.h>
 
 /* Specification-defined prefix for SoundWire properties. */
 #define SDW_PFX "mipi-sdw-"