--- a/configure.ac
+++ b/configure.ac
@@ -1376,7 +1376,7 @@ AC_SUBST(PBX_SPEEX_PREPROCESS)
 
 AST_EXT_LIB_CHECK([SQLITE], [sqlite], [sqlite_exec], [sqlite.h])
 
-AST_EXT_LIB_CHECK([OPENSSL], [ssl], [ssl2_connect], [openssl/ssl.h], [-lcrypto])
+AST_EXT_LIB_CHECK([OPENSSL], [ssl], [ssl23_connect], [openssl/ssl.h], [-lcrypto])
 if test "$PBX_OPENSSL" = "1";
 then
     AST_EXT_LIB_CHECK([OSPTK], [osptk], [OSPPCryptoDecrypt], [osp/osp.h], [-lcrypto -lssl])