diff --git a/reactor-extra/src/main/java/reactor/cache/CacheMono.java b/reactor-extra/src/main/java/reactor/cache/CacheMono.java
index 93ca874f0..62d310498 100644
--- a/reactor-extra/src/main/java/reactor/cache/CacheMono.java
+++ b/reactor-extra/src/main/java/reactor/cache/CacheMono.java
@@ -170,7 +170,7 @@ public static <KEY, VALUE> MonoCacheBuilderCacheMiss<KEY, VALUE> lookup(
 			Function<KEY, Mono<Signal<? extends VALUE>>> reader, KEY key) {
 		return otherSupplier -> writer -> Mono.defer(() ->
 				reader.apply(key)
-				  .switchIfEmpty(Mono.defer(() -> otherSupplier.get())
+				  .switchIfEmpty(Mono.defer(otherSupplier)
 				                              .materialize()
 				                              .flatMap(signal -> writer.apply(key, signal)
 				                                                       .then(Mono.just(signal))