diff --git a/src/soc/amd/cezanne/acpi/soc.asl b/src/soc/amd/cezanne/acpi/soc.asl
index 5bd9e0739b..30b44c948d 100644
--- a/src/soc/amd/cezanne/acpi/soc.asl
+++ b/src/soc/amd/cezanne/acpi/soc.asl
@@ -17,6 +17,8 @@ Scope(\_SB) {
 
 #include <soc/amd/common/acpi/platform.asl>
 
+#include <soc/amd/common/acpi/sleepstates.asl>
+
 /*
  * Platform Wake Notify
  *