diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index 7e73c62..9cd833b 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -3829,6 +3829,7 @@
  * MBEDTLS_PLATFORM_STD_CALLOC and MBEDTLS_PLATFORM_STD_FREE do not have to be defined at the same time, as, if they are used,
  * dynamic setup of these functions is possible. See the tree above to see how are they handled in all cases.
  */
+
 /** \def MBEDTLS_PLATFORM_STD_CALLOC
  *
  * Default allocator to use, can be undefined. See the description above for details.
@@ -3839,6 +3840,7 @@
  * The corresponding deallocation function is #MBEDTLS_PLATFORM_STD_FREE.
  */
 //#define MBEDTLS_PLATFORM_STD_CALLOC        calloc
+
 /** \def MBEDTLS_PLATFORM_STD_FREE
  *
  * Default free to use, can be undefined. See the description above for more details (same principles as for MBEDTLS_PLATFORM_STD_CALLOC apply).
diff --git a/include/mbedtls/platform.h b/include/mbedtls/platform.h
index 5e2e490..5d4e69e 100644
--- a/include/mbedtls/platform.h
+++ b/include/mbedtls/platform.h
@@ -135,6 +135,15 @@
 #endif
 #endif /* MBEDTLS_PLATFORM_NO_STD_FUNCTIONS */
 
+/* Enable certain documented defines only when generating doxygen to avoid
+ * an "unrecognized define" error. */
+#if defined(__DOXYGEN__) && !defined(MBEDTLS_PLATFORM_STD_CALLOC)
+#define MBEDTLS_PLATFORM_STD_CALLOC
+#endif
+
+#if defined(__DOXYGEN__) && !defined(MBEDTLS_PLATFORM_STD_FREE)
+#define MBEDTLS_PLATFORM_STD_FREE
+#endif
 
 /** \} name SECTION: Module settings */