diff --git a/src/sbbs3/main.cpp b/src/sbbs3/main.cpp
index 36611c463018b23b3b73b212147af010c163cb1d..f938a8236685eaf5a9d4323ce22318991b7d0c85 100644
--- a/src/sbbs3/main.cpp
+++ b/src/sbbs3/main.cpp
@@ -5205,7 +5205,7 @@ void DLLCALL bbs_thread(void* arg)
 	}
 
 #ifdef USE_CRYPTLIB
-#if CRYPTLIB_VERSION < 3300
+#if CRYPTLIB_VERSION < 3300 && CRYPTLIB_VERSION > 999
 	#warning This version of Cryptlib is known to crash Synchronet.  Upgrade to at least version 3.3 or do not build with Cryptlib support.
 #endif
 	if(startup->options&BBS_OPT_ALLOW_SSH) {