diff --git a/library/entropy_poll.h b/library/entropy_poll.h
index bf26889..9edf1f1 100644
--- a/library/entropy_poll.h
+++ b/library/entropy_poll.h
@@ -22,11 +22,7 @@
 #ifndef MBEDTLS_ENTROPY_POLL_H
 #define MBEDTLS_ENTROPY_POLL_H
 
-#if !defined(MBEDTLS_CONFIG_FILE)
-#include "mbedtls/config.h"
-#else
-#include MBEDTLS_CONFIG_FILE
-#endif
+#include "mbedtls/build_info.h"
 
 #include <stddef.h>