diff --git a/wolfssl/wolfcrypt/settings.h b/wolfssl/wolfcrypt/settings.h
index 97959113b2..cf9884c373 100644
--- a/wolfssl/wolfcrypt/settings.h
+++ b/wolfssl/wolfcrypt/settings.h
@@ -322,10 +322,11 @@
     #endif
 #endif
 
-#if (defined(BUILDING_WOLFSSL) && defined(WOLFSSL_USE_OPTIONS_H)) || \
-    (defined(BUILDING_WOLFSSL) && defined(WOLFSSL_OPTIONS_H) &&      \
-     !defined(EXTERNAL_OPTS_OPENVPN))
-    #error wolfssl/options.h included in compiled wolfssl library object.
+#if !defined(WOLFSSL_CUSTOM_CONFIG) && \
+    ((defined(BUILDING_WOLFSSL) && defined(WOLFSSL_USE_OPTIONS_H)) || \
+     (defined(BUILDING_WOLFSSL) && defined(WOLFSSL_OPTIONS_H) &&      \
+     !defined(EXTERNAL_OPTS_OPENVPN)))
+    #warning wolfssl/options.h included in compiled wolfssl library object.
 #endif
 
 #ifdef WOLFSSL_USER_SETTINGS