diff --git a/src/modules/module-waveout.c b/src/modules/module-waveout.c
index 7965d0152..d4fa121b8 100644
--- a/src/modules/module-waveout.c
+++ b/src/modules/module-waveout.c
@@ -30,6 +30,7 @@
 #include <pulse/mainloop-api.h>
 
 #include <pulse/xmalloc.h>
+#include <pulse/timeval.h>
 
 #include <pulsecore/sink.h>
 #include <pulsecore/source.h>