diff --git a/src/static/Famicom/ks_nes_core.cpp b/src/static/Famicom/ks_nes_core.cpp
index 6c4a5eb0..22378b7e 100644
--- a/src/static/Famicom/ks_nes_core.cpp
+++ b/src/static/Famicom/ks_nes_core.cpp
@@ -7,6 +7,7 @@
 #include "jaudio_NES/emusound.h"
 #include "_mem.h"
 #include "dolphin/os.h"
+#include "jaudio_NES/emusound.h"
 // TODO: verify function signatures.
 // TODO: replace hard-coded function pointers with function names.