diff --git a/audio/audio_resampler_driver.h b/audio/audio_resampler_driver.h
index 1ca818a5fa..f5e052bb1b 100644
--- a/audio/audio_resampler_driver.h
+++ b/audio/audio_resampler_driver.h
@@ -202,6 +202,7 @@ bool rarch_resampler_realloc(void **re, const rarch_resampler_t **backend,
 } while(0)
 
 #ifndef RARCH_INTERNAL
+#include "libretro.h"
 extern retro_get_cpu_features_t perf_get_cpu_features_cb;
 #endif