diff --git a/library/core/src/iter/adapters/mod.rs b/library/core/src/iter/adapters/mod.rs
index ca950a138f31c..3c421f25b9418 100644
--- a/library/core/src/iter/adapters/mod.rs
+++ b/library/core/src/iter/adapters/mod.rs
@@ -173,6 +173,7 @@ where
 {
     type Item = <I::Item as Try>::Output;
 
+    #[inline]
     fn next(&mut self) -> Option<Self::Item> {
         self.try_for_each(ControlFlow::Break).break_value()
     }