1 files changed, 2 insertions, 0 deletions
diff --git a/src/tag.c b/src/tag.c
index 28f1d6eae..cf3f04ede 100644
--- a/src/tag.c
+++ b/src/tag.c
@@ -25,6 +25,8 @@
 #include "conf.h"
 #include "song.h"
 
+#include <assert.h>
+
 /**
  * Maximum number of items managed in the bulk list; if it is
  * exceeded, we switch back to "normal" reallocation.