diff --git a/audio/utils.h b/audio/utils.h
index b2e6a0b212..6904213e7c 100644
--- a/audio/utils.h
+++ b/audio/utils.h
@@ -16,6 +16,10 @@
 #ifndef AUDIO_UTILS_H
 #define AUDIO_UTILS_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include <stdint.h>
 #include <stddef.h>
 
@@ -71,5 +75,8 @@ void audio_convert_float_to_s16_C(int16_t *out,
 
 void audio_convert_init_simd(void);
 
+#ifdef __cplusplus
+}
 #endif
 
+#endif
\ No newline at end of file