diff --git a/extra/yassl/src/yassl_error.cpp b/extra/yassl/src/yassl_error.cpp
index dd30348cd93..862cd82fb3b 100644
--- a/extra/yassl/src/yassl_error.cpp
+++ b/extra/yassl/src/yassl_error.cpp
@@ -128,7 +128,7 @@ void SetErrorString(unsigned long error, char* buffer)
         break;
 
     case badVersion_error :
-        strncpy(buffer, "protocl version mismatch", max);
+        strncpy(buffer, "protocol version mismatch", max);
         break;
         
     case compress_error :