1 files changed, 2 insertions, 0 deletions
diff --git a/src/output_api.c b/src/output_api.c
index e9216a2ef..3d3230376 100644
--- a/src/output_api.c
+++ b/src/output_api.c
@@ -19,6 +19,8 @@
 #include "output_api.h"
 #include "output_internal.h"
 
+#include <assert.h>
+
 const char *audio_output_get_name(const struct audio_output *ao)
 {
 	return ao->name;