diff --git a/phlib/include/phsup.h b/phlib/include/phsup.h
index a2dbabed2b20..bf2c0e6c3856 100644
--- a/phlib/include/phsup.h
+++ b/phlib/include/phsup.h
@@ -18,9 +18,12 @@
 #include <intrin.h>
 #include <wchar.h>
 #include <assert.h>
+#include <stdalign.h>
+#include <stdbool.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <malloc.h>
+#include <float.h>
 
 // Memory
 #define PTR_ADD_OFFSET(Pointer, Offset) ((PVOID)((ULONG_PTR)(Pointer) + (ULONG_PTR)(Offset)))