diff --git a/DeclROM/Makefile b/DeclROM/Makefile
index 9fd747a..36cf8a8 100644
--- a/DeclROM/Makefile
+++ b/DeclROM/Makefile
@@ -16,7 +16,7 @@ ifeq (${TARGET},NUBUSFPGA)
 	FEATURES+=-DNUBUSFPGA -DENABLE_RAMDSK -DENABLE_SDCARD -DENABLE_HDMIAUDIO
 endif
 ifeq (${TARGET},IISIFPGA)
-	FEATURES+=-DIISIFPGA -DDENABLE_HDMIAUDIO
+	FEATURES+=-DIISIFPGA -DENABLE_HDMIAUDIO
 endif
 ifeq (${TARGET},QUADRAFPGA)
 	FEATURES+=-DQUADRAFPGA -DENABLE_HDMIAUDIO