diff --git a/src/lib.rs b/src/lib.rs
index 1280bba..ebc25c3 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,11 @@
 #[macro_use] extern crate log;
 
+#[cfg(all(feature = "gemini_srv", feature = "scgi_srv"))]
+compile_error!("Please enable only one of either the `gemini_srv` or `scgi_srv` features on the kochab crate");
+
+#[cfg(not(any(feature = "gemini_srv", feature = "scgi_srv")))]
+compile_error!("Please enable at least one of either the `gemini_srv` or `scgi_srv` features on the kochab crate");
+
 use std::{
     sync::Arc,
     time::Duration,