diff --git a/dynamic.c b/dynamic.c
index f72837f1b6..3f46a62ecd 100644
--- a/dynamic.c
+++ b/dynamic.c
@@ -848,6 +848,7 @@ bool rarch_environment_cb(unsigned cmd, void *data)
          cb->get_time_usec    = rarch_get_time_usec;
          cb->get_cpu_features = rarch_get_cpu_features;
          cb->perf_log         = rarch_perf_log;
+         cb->perf_register    = rarch_perf_register;
          break;
       }
 
diff --git a/libretro.h b/libretro.h
index a94c32de7c..60e00a8836 100755
--- a/libretro.h
+++ b/libretro.h
@@ -617,6 +617,7 @@ typedef retro_time_t (*retro_perf_get_time_usec_t)(void);
 typedef retro_perf_tick_t (*retro_perf_get_counter_t)(void);
 typedef void (*retro_get_cpu_features_t)(unsigned*);
 typedef void (*retro_perf_log_t)(void);
+typedef void (*retro_perf_register_t)(retro_perf_counter_t*);
 
 struct retro_perf_callback
 {
@@ -624,6 +625,7 @@ struct retro_perf_callback
    retro_perf_get_counter_t      get_perf_counter; 
    retro_get_cpu_features_t      get_cpu_features;
    retro_perf_log_t              perf_log;
+   retro_perf_register_t         perf_register;
 };
 
 #if defined(PERF_TEST)