diff --git a/src/main/java/org/springframework/data/redis/cache/DefaultRedisCachePrefix.java b/src/main/java/org/springframework/data/redis/cache/DefaultRedisCachePrefix.java
index f36ce3bd97..66e2437951 100644
--- a/src/main/java/org/springframework/data/redis/cache/DefaultRedisCachePrefix.java
+++ b/src/main/java/org/springframework/data/redis/cache/DefaultRedisCachePrefix.java
@@ -38,6 +38,6 @@ public DefaultRedisCachePrefix(String delimiter) {
 	}
 
 	public byte[] prefix(String cacheName) {
-		return serializer.serialize((delimiter != null ? cacheName.concat(":") : cacheName));
+		return serializer.serialize((delimiter != null ? cacheName.concat(delimiter) : cacheName.concat(":")));
 	}
 }