diff --git a/experimental/saiextensions.h b/experimental/saiextensions.h
index db989c391..be053151b 100644
--- a/experimental/saiextensions.h
+++ b/experimental/saiextensions.h
@@ -25,6 +25,7 @@
 #ifndef __SAIEXTENSIONS_H_
 #define __SAIEXTENSIONS_H_
 
+#include <sai.h>
 #include <saitypes.h>
 
 /* existing enum extensions */
diff --git a/experimental/saiswitchextensions.h b/experimental/saiswitchextensions.h
index 7289ac9c2..0bd28a7ad 100644
--- a/experimental/saiswitchextensions.h
+++ b/experimental/saiswitchextensions.h
@@ -25,6 +25,7 @@
 #ifndef __SAISWITCHEXTENSIONS_H_
 #define __SAISWITCHEXTENSIONS_H_
 
+#include <saiswitch.h>
 #include <saitypes.h>
 
 /**