diff --git a/src/common.h b/src/common.h
index cfc6b55..fe08fb6 100644
--- a/src/common.h
+++ b/src/common.h
@@ -2,7 +2,7 @@
 #define COMMON_H
 
 #define ND_VERSION "6"
-#define ND_FIRM "1.7
+#define ND_FIRM "1.7"
 
 // Current hardware setup
 #define CHIP0 CHIP_YM2612