diff -Naur CHI-0.60.orig/lib/CHI/t/Driver/Subcache/l1_cache.pm CHI-0.60/lib/CHI/t/Driver/Subcache/l1_cache.pm
--- CHI-0.60.orig/lib/CHI/t/Driver/Subcache/l1_cache.pm	2015-06-07 23:18:17.000000000 +0200
+++ CHI-0.60/lib/CHI/t/Driver/Subcache/l1_cache.pm	2015-06-18 04:38:08.183298333 +0200
@@ -45,10 +45,10 @@
     $stats->flush();
 
     $log->contains_ok(
-        qr/CHI stats: {"absent_misses":1,"end_time":\d+,"get_time_ms":\d+,"label":"File","namespace":"Foo","root_class":"CHI","set_key_size":6,"set_time_ms":\d+,"set_value_size":20,"sets":1,"start_time":\d+}/
+        qr/CHI stats: \{"absent_misses":1,"end_time":\d+,"get_time_ms":\d+,"label":"File","namespace":"Foo","root_class":"CHI","set_key_size":6,"set_time_ms":\d+,"set_value_size":20,"sets":1,"start_time":\d+}/
     );
     $log->contains_ok(
-        qr/CHI stats: {"absent_misses":1,"end_time":\d+,"get_time_ms":\d+,"hits":1,"label":"File:l1_cache","namespace":"Foo","root_class":"CHI","set_key_size":6,"set_time_ms":\d+,"set_value_size":20,"sets":1,"start_time":\d+}/
+        qr/CHI stats: \{"absent_misses":1,"end_time":\d+,"get_time_ms":\d+,"hits":1,"label":"File:l1_cache","namespace":"Foo","root_class":"CHI","set_key_size":6,"set_time_ms":\d+,"set_value_size":20,"sets":1,"start_time":\d+}/
     );
 
 }