diff --git a/src/lib.rs b/src/lib.rs
index 14bb02d..5b98681 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -112,7 +112,7 @@ pub mod rational {
 
 pub fn clamp<T: PartialOrd + Copy>(input: T, min: T, max: T) -> T {
     debug_assert!(min < max, "min must be less than max");
-    if input < min {min}
-    else if input > max {max}
+    if input <= min {min}
+    else if input >= max {max}
     else {input}
 }