1 files changed, 4 insertions, 0 deletions
diff --git a/rcfile_y.y b/rcfile_y.y
index 9d688779..f3dabf1d 100644
--- a/rcfile_y.y
+++ b/rcfile_y.y
@@ -140,8 +140,12 @@ serv_option	: AKA alias_list
 #endif /* INET6 */
 					}
 		| SDPS			{
+#ifdef ENABLE_SDPS
 					    current.server.protocol = P_POP3;
 					    current.server.sdps = TRUE;
+#else
+					    yyerror("SDPS not enabled.");
+#endif /* ENABLE_SDPS */
 					}
 		| UIDL			{current.server.uidl = FLAG_TRUE;}
 		| NO UIDL		{current.server.uidl  = FLAG_FALSE;}