diff --git a/third_party/mbedtls/mbedtls-config.h b/third_party/mbedtls/mbedtls-config.h
index ba1fb3086..65f195dcd 100644
--- a/third_party/mbedtls/mbedtls-config.h
+++ b/third_party/mbedtls/mbedtls-config.h
@@ -38,7 +38,7 @@
 
 #include <openthread/config.h>
 #include <openthread/platform/logging.h>
-#include <openthread/platform/memory.h>
+#include <openthread/platform/crypto.h>
 
 #define MBEDTLS_PLATFORM_SNPRINTF_MACRO snprintf