1 files changed, 1 insertions, 0 deletions
diff --git a/economy.c b/economy.c
index de2e4c19b..b8f5e50de 100644
--- a/economy.c
+++ b/economy.c
@@ -12,6 +12,7 @@
 #include "industry.h"
 #include "town.h"
 #include "network.h"
+#include "sound.h"
 
 void UpdatePlayerHouse(Player *p, uint score)
 {