diff --git a/library/pk_wrap.c b/library/pk_wrap.c
index 0d8aee1..dafd7a4 100644
--- a/library/pk_wrap.c
+++ b/library/pk_wrap.c
@@ -26,6 +26,7 @@
 #endif
 
 #if defined(MBEDTLS_PK_C)
+#include "mbedtls/pk_info.h"
 #include "mbedtls/pk_internal.h"
 
 /* Even if RSA not activated, for the sake of RSA-alt */